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This article is about the character. For the episode, see "Jeffy!".

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"Hey, Daddy! What doing?"
— Jeffy saying hello to Mario/Marvin every day.

Jeffy is one of main characters of the SML series who is the adoptive son of Mario and Rosalina.

He is the first and oldest child of Nancy and Jacques Pierre François, and the older brother of Feebee, but since his biological father Jacques faked his death and after he killed Nancy by shooting her in the head in "Jeffy's 18th Birthday!", he is now the adoptive child of Mario and his wife, Rosalina.[5][6] Despite this, he still has his clone, Scooter, who is currently wandering around outside of Mario's house somewhere.

The things that he does in his everyday life is annoying and torturing Mario, hanging out with Junior and his friends, causing trouble, hating school, making messes, throwing plates full of green beans, eating chocolate cake, and much, much more.

History[]

BabyJeffy

Jeffy as a baby

Jeffy was born in August 21, 2004, which would explain why he spent some of his abuse in the US as a child, he did not have the expensive things that his own future friends have, and grew up in the deprived environment of the suburbs with his mom. He never attended school due to his mom's irresponsibility and his father forgetting about him. He also lost his toes through an unknown incident. This was seen in "Jeffy Breaks His Leg!".

Jeffy has been raised in poverty due to his father abandoning Jeffy alongside his mom and sister.

Jeffy has went to different places with his mom before abandonment.

He also drives a 2001 Buick Lesabre aka Jeffy's spray-painted car.

He formally had a 2020 Chevrolet Corvette C8.

Jeffy moved to Florida in 2005 with Feebee, his little sister, who was later killed in a bike accident in 2015 as Nancy took her helmet to use as an ashtray. Her death was the reason why Jeffy always wears his helmet wherever he goes.

After Nancy had enough of his antics, Jeffy was dropped off at Mario and Bowser's apartment lot. Jeffy lived with Mario and his family in the apartment (Causing havoc around the house, especially towards Mario), although the latter hated him before being evicted from the apartment and having to relocate to the new house.

After his wealthy father faked committing suicide and willed his money to Jeffy, Nancy returned to reclaim Jeffy in order to receive Jacques' money when Jeffy turns 18, but was arrested and incarcerated for child abuse, prostitution, and several other crimes. After Nancy's arrest, Mario chose to officially adopt Jeffy as his son and the two now begin to bond every day.

As of today, he is still Mario’s now adopted son and spends his days misbehaving and torturing the latter, playing with Junior and his friends and continuing to cause havoc and destruction.

Ever since during 2020, Jeffy has begun to suddenly become smart and helpful on rare occasions such as the time when he became a detective to help Mario getting out of jail and the time when he watch a scary movie with Mario, and Mario keep lying about the strawman movie while Jeffy proves he is lying. But despite this, Jeffy still loves his family.

He is also shown to be heartless, as shown in "Jeffy the Doughnut King!", where Brooklyn T. Guy told him that his boss was dying because he hadn't eaten a donut, but he didn't care about it, and he just replied by saying he was bored.

Appearance[]

Jeffy is somewhat different than the average young adult, with a tall and slim posture. He wears a blue bicycle helmet (with brown messy hair under it), usually has a pencil shoved up his nose, has blue crossed eyes, along with a yellow T-shirt that reads "jeffy" on it which his mother wrote so he would not forget his name. Apparently, when a different word is written on it he thinks his name is that word as seen in Jeffy’s shirt when Junior wrote “poopy butt” on it. Jeffy thought it was his actual name to the point of losing 100,000,000 dollars because of it.

He wears short dark blue jeans with a Pamper diaper (which, according to Jeffy himself, is on the outside so it doesn't get dirty), which he occasionally spanks. He wears black Adidas sneakers. His biological appearance seems to be mixed between his parents, with his blue eyes inherited from his mother and his dark brown hair inherited from his father. His face is oval-shaped with two teeth and around the nose, along with two eyelashes and a unibrow.

Personality[]

"Jeffy, you know what? You're so hard to raise! You don't listen, you argue and you break stuff!"
— Mario confronting Jeffy for his lack of niceness in Jeffy's Switcheroo!.

Jeffy started off as a mentally disabled stereotype, before changing into a stupid and misbehaved person who swears like a sailor, explodes in anger at any slight against him, and knows a lot about perverted acts for someone his age. Over time, he has matured and does not annoy Mario and Rosalina as much as he used to. He barely swears anymore and only acts more like a troublesome child. He is also known to be very strong, possibly one of the strongest characters in SML, as he tends to beat up bullies, hit balls really hard, and has a high pain tolerance. Overall, Jeffy's personality has gone through more changes than any other character in SML.

He has a habit of spanking his diaper placed outside of his pants as well as soiling his pants often. When he is called a "bad boy" or in some cases a "retard", he tends to have a breakdown by throwing his head and hitting it onto any surface, but calms down when he is called a "good boy" (this is no longer the case after the events of Jeffy Loses His Pencil!). However, his breakdowns can become extreme and violent, which involves curse words and being rude towards Mario and Rosalina. He also flips his desk in "First Day Of School!" because the teacher (Who is Jackie Chu) assigned a 10-page essay that was due the next day and cusses (mostly the F-word) at Jackie Chu, saying "ARE YOU FUCKING HIGH?!" He often says "Why?" whenever someone tells him what to do or what not to do. He even keeps saying it whenever someone answers him. He also has a habit of calling things he likes "pee-pee." He also often says "I don't even know" when asked questions.

He likes to put his "pee-pee" in various objects, especially Cheerios boxes, to the point where he somehow even impregnates one and develops romantic feelings for it.

He deeply resents Bully Bill, who picks on him and subsequently beats up all the time, but the person he hates even more is his teacher, Jackie Chu.

He is also afraid of trivial and ridiculous things, such as animals, toilets, snow, ostriches, a flu shot, and the number 7. Based on characteristics, it is suggested that he has mental retardation. His mother delivered him to Mario because she did not love him for unknown reasons (according to Jeffy). He also has a fear of water. This is shown in Jeffy's Bathtime!, when he refused to take a bath. It is also shown in Jeffy's Swimming Lessons!, when he refused to take the swimming lessons and would scream when in water. Because he has a huge fear of water he would drown almost immediately. This is shown in Jeffy's Swimming Pool!, when he drowned in the pool due to his difficulties of swimming.

Despite not being that intelligent, Jeffy has shown traits of intelligence, but in a retarded way at times, such as in Jeffy's Homework! when he reasoned that the equation 8-4=8, since they are taking 4 out of the equation, even going on a profanity-laced rant as well as getting very smart over the years as Mario thinks he will not notice anything or remember anything but he does so he is not very dumb anymore. He is also an extremely skilled painter, a trait passed down from his father. He has also shown signs of intelligence as in Jeffy Gets Ran Over, where he remembers everything that happened to him after getting knocked out by Mario's car, as well as knowing that Mario is the one that hit him.

Jeffy has shown to be demanding, even more than the level Junior displays, as seen in Jeffy's Bedtime!, where he demands that Mario and Rosalina make his green eggs and ham, "Jeffy Gets Potty Trained!" when he demands that Rosalina give him marshmallows instead of peas, "The Hitman!", where he wanted Jello after Mario gave him green beans, he refused to eat his McDonald's Chicken Nuggets because he wasn't given 20 toys and threw them away, in "Locked Out", where he demanded chocolate cake, cried when Mario didn't give him it and locked Mario out to enjoy the cake, especially in front of Mario, and in "Jeffy Gets Help", when Jeffy yells, screams, and throws a temper tantrum because Mario said that he would not watch SpongeBob SquarePants.

Jeffy is shown to enjoy playing pranks, as seen in "Jeffy's Cellphone!", where he prank calls several places, including an employee named Josh and a prostitute, resulting Rosalina thinking Mario is cheating and beating on Mario, and in "Shrek The Babysitter!", where he locks Shrek in the bathroom with the help of Bowser Junior. Both of these videos shows that he seems to be less unintelligent, causing many fans to think that this could be a normal version of Jeffy, despite all of his intelligent moments in the series. Some people [who?] think Jeffy pretends to be retarded. When his real mother Nancy tried to claim him back, Jeffy begged Mario to let him stay and promised to be a good boy (and kept his promise by not playing the cat piano when he went back inside), indicating that he loves Mario very much. Jeffy's obsession with swearing may be from his mother and the way she acted in front of him and treated him.

Despite of all this, he is generally more on the friendly side and the bad things he does is mostly due to his unintelligence. He has his fair share of good deeds that battle the evil ones, such as being considerate to Hansel in three episodes. He is most likely misunderstood after suffering pain from his biological mother and witnessing his twin sister's death, which might explain his outburst problems.

Although he is unintelligent, he was shown to be an adult to Mario in some episodes such as the time when he caught Mario spilling water all over his bed and Mario wanting to play with his Lego rather than eating his food. And sometimes he does not like to believe people like in The Halloween Heist.

Throughout his time in the series, his intelligence has steadily increased; as of 2022, he is of average intellect, able to come up with clever plans (such as in Jeffy and Junior's Big Heist!) and successfully escaping from his mother in Jeffy's 18th Birthday!.

Personality Traits[]

  • Friendly
  • Hot-headed
  • Fiery
  • Scatterbrained
  • Silly
  • Loud
  • Destructive
  • Reckless
  • Emotional
  • Misbehaved
  • Immature
  • Sanguine-Choleric
  • Kind
  • Somewhat Heroic
  • Retarded
  • Mentally Handicapped
  • Cranky
  • Sarcastic
  • Perverted
  • Caring and Happy-go-lucky
  • Intelligent
  • Obnoxious
  • Grateful
  • Whiny
  • Hard-headed

Controversy[]

Jeffy has proven numerous times to have been the most controversial character of SuperMarioLogan. Many fans criticized him, saying that he was an offensive stereotype of mentally disabled people. Logan has responded to these claims by saying that Jeffy is meant to be funny like Chef Poo Poo, not mentally disabled.

After Jeffy's Bad Word! and Locked Out were released, Jeffy received an immense hatred from older fans, due to him saying the F slur multiple times and being an absolute jerk towards Mario. Despite this, he is also known to have a diehard fanbase, which consists of children and young teenagers, adding even more controversy. After Jeffy's Parents!, fans started to sympathize and like him even more as he had been abused by his mother, Nancy. However, some fans still hate Jeffy.

Jeffy's popularity grew when Jeffy The Rapper! and Jeffy's Fidget Spinner! were released, which made many young children grow fond of Jeffy and basically worship him. Later, the children constantly demanded more videos featuring him and would dislike any video that does not feature him. This caused many older fans to fuel their hatred for both Jeffy and his fanbase. In Jeffy's Fun Day!, he received a poor reception.

In December 2017, a seven-year-old boy attempted to hang himself with a noose the way Jeffy almost did in his emo form in the now-deleted Jeffy's Tantrum!. The mother of the child discovered this and reported in the news station called The Sun after he attempted to do the act, and the mother, rather than blame herself, chose to blame Logan. The article can be viewed here. Logan then apologized and assured that his videos are not to be imitated; despite this, YouTube started demonetizing and age-restricting all of his videos. A few months later, second-graders and third-graders watched Jeffy The Rapper! and were disciplined after mimicking him (mostly by boys).

In late 2018 and early 2019, SML lost many of their viewers due to the fact that Jeffy became incredibly overused and popular with young children, even though his actions and language are inappropriate for their age. Jeffy's overuse came at the expense of other classic characters such as Woody, Shrek, and Mr. Pig, as younger fans began outnumbering the older fans and pressuring Logan to make more Jeffy videos, to the point that videos where Jeffy didn't appear such as Toad's Mistake! (2017) and Attack of the Killer Shrimp! were panned by younger viewers simply because neither had Jeffy in them at all. During the break-up drama in 2020, it was revealed that Chilly Jimenez had pressured Logan to push Jeffy.

Jeffy's popularity is now such that Logan can no longer write out or kill off Jeffy without losing most of his subscribers; worse still is that Logan's address is public knowledge, and him getting rid of Jeffy would put himself and his family and friends in danger of being attacked by Jeffy fans.

However, now that Jeffy has toned down his swearing and his inappropriate behavior, no one seems to hate him as much and started to enjoy him more. But that's not to say that people no longer hate him, as there are still some people who do mainly SuperMarioPlush Parody’s because he no longer likes Jeffy he only likes 2016-17 Jeffy. He even made TikTok videos saying that Jeffy needs to move out or needs to go back to his old personality.

Pets[]

Pee Pee Suck (fish)[]

Pee Pee Suck was Jeffy’s pet fish that made an appearance in “Jeffy's Pet!.” However, Jeffy later ate him whole. His skeleton was seen in Jeffy Gets Stung by a Bee!.

Pee Pee Suck 2 (hamster)[]

Pee Pee Suck 2 was Jeffy’s hamster from Jeffy's Pet!. She is also known as Melvin. However, in Jeffy's Dog!, she went missing, and Brooklyn Guy was her new owner. She was mentioned to be dead in Bowser Junior the Faker!.

Poopy Butt[]

Poopy Butt, formerly called Shitass was Jeffy’s dog from Jeffy's Dog!. He was paralyzed from the neck down, because Rosalina got him from the animal shelter. His first death was in Jeffy Gets Glasses!, where he was enthuanized. In Jeffy's Bad Dog!, he died from chocolate poisoning, but was later revived. In Jeffy's Swimming Lessons!, he drowned. He was seemingly gone for good, as he didn’t appear again after that, however, he returned in Mr. Goodman's Dog!.

Booger[]

Booger was a more exotic pet that Jeffy had. In Jeffy's Pet Dinosaur!, he hatched Booger from an egg. However, it was a bad idea to keep Booger, because he isn’t house-trained. Mario once sold him to the Loan Dolphin in Brooklyn Guy Pet Detective!. Also, Booger stopped appearing after Jeffy Plays Baseball!, so it’s unknown if Jeffy still has Booger. However, this changed in It's Ya Boy Duggie!, where it's shown that Jeffy has kept Booger as a pet. Booger was also revealed to be female in Jeffy's Eggs!.


Orange Zebra[]

Orange Zebra was another exotic pet. He made his first appearance in Jeffy's Pet Tiger!. However, he was way too dangerous to keep.

Loan Dolphin[]

Loan Dolphin was Jeffy’s temporary pet in Jeffy's Pet Dolphin!.

Inventions[]

So far Jeffy has only created one invention, and that is the Piss Pal.

  • Piss Pal ("Jeffy's Invention!"): A smiley-faced sponge that is used for preventing peeing in someone's pants and reusing them every time someone uses one. On Shark Tank, Jeffy receives one million dollars after Pooby makes a deal with him. This then leads to him getting a Cease-and-Desist letter from the original company. The Piss Pal is actually a Scrub Daddy, the original invention that Jeffy stole from.

Children[]

Please note that most of them have died.

Pusshole 1 and 2[]

Pusshole 1 and 2 were Jeffy’s kids from Jeffy's Kids!. They were later "murdered" by Bowser Junior.

Jeffy Junior I[]

Jeffy Junior I was Jeffy’s other kid from Jeffy's Kids!. He looked a lot like Jeffy, except he was covered with Cheerios and had darker skin than Jeffy. And he always shit his pants. When Jeffy tries to potty train him, he flushes himself down the toilet, presumably drowning him.

Jeffy Junior II[]

Jeffy Junior II is a hybrid of Jeffy and Junior from Pregnant Jeffy!. He was made thanks to Harry’s impregnator. Jeffy Junior II was proven to be super annoying, but he also likes Mac and cheese like Junior and cat piano like Jeffy. Later, he destroys Junior’s Golden Thomas, and Jeffy’s cat piano. Jeffy Junior II was later sold to Jackie Chu.


Quotes[]

  • "Why?" (former catchphrase)
  • "(grunting)" (Note: Often spelt by fans as "UH". In Jeffy Gets Hypnotized!, Jeffy claims the grunting noise cannot be spelt and it's not a word.)
  • "I don't like green beans!"
  • "ARE YOU F**KING HIGH?!?!"
  • "Hey, Daddy. What doing?"
  • "You said Jeffy's a bad boy?!"
  • "Whoops."
  • "I found it."
  • "Moose fuck!"
  • "I don't even know."
  • "It feels good on my pee pee."
  • "Tacos gave me diarrhea, and it is in my pants!"
  • "My sales are up, and my syndrome is down!"
  • "I guess I do have to."
  • "I HATE GREEN BEANS, DADDY!”
  • "Why you do that?"
  • "My name is Jeffy, see? It says it on my shirt, Jeffy."
  • "¡Si papi, yo quiero mas papi!"
  • "Ohhh! ___, Daddy!"
  • "Bep!"
  • "I don’t have to." (Note: because of the accent, the word "don't" was pronounced as "din't", which makes some fans think he's saying "didn't".)
  • "Wanna see my pencil?"
  • "I don’t like it."
  • "That's so, PP!"
  • "Daddy, you're high as fuck!"
  • "I'll talk to em!"
  • "I got a wicked camel toe."
  • "PAPER!"
  • ”DADDY!!!”
  • "Hyelo. My name is Heffy." (Him in a Russian accent saying hello to Vicky in "Jeffy's Fairy Godparents!")
  • ”I don’t want to.”
  • ”I don’t want you to.”
  • "AI-NYAN-NYU-NAHT"
  • "I'm here, fuckers!"
  • "Ol' hippo dick! Ol' seacow motherfucker!"
  • "It slipped, Daddy."
  • "The new SML store is now open, so go check it out at SMLMerch.com!"
  • "HOW HIGH ARE YOU?!?!"
  • “I love you!”
  • "Good."
  • ”Daddy, I didn’t start anything! I’m a perfect angel!”
  • "I wanna be a moose. Ol' moose-fuck."
  • "Where hippo?"
  • "DADDY- DADDY, that is not fair..."
  • "UH-HUH!"
  • "Doodle, Doodle, Pencil Fart!"
  • "Go away, faggot!"
  • "Daddy's gonna be mad!"
  • "Hey, Santa Claus! F, U…N! That spells fun!"
  • "If you ground me, then you're.. you're mean."
  • "Ligma balls, daddy!"
  • "Listen here, motherfucker! If you throw another goddam paper ball at me, I will fuck your shit up! I am not to be fucked with.”
  • ”Daddy, the first day you let somebody walk all over you, is the day you become a bitch. And Jeffy ain’t no bitch!”
  • "BITCH WANTS TO DIE!"
  • "YUMMY!"
  • "FUCK YOU, DADDY!"
  • "SAYONARA, BITCH!"
  • ”Well I done shit myself, daddy! My pants are all full of fuck.”
  • "Booty, bitches, and bacon."
  • "Toot, toot, fuck, shit!"
  • "What's up, n***a?!"
  • "I get fat hoes!"
  • "Skeet, skeet, butthole, daddy!"
  • "My pee-pee looks like a flute. Ee! Ee! Ee!"
  • "I'm down...syndrome."
  • "Oh hell naw, come on daddy, let's tagteam this motherfucker!"
  • "FIRST, YOU BREAK JEFFY'S LEG, THEN, YOU CALL HIM A DICKHOLE, AND THEN, YOU CALL HIM A LITTLE SHIT!!!!"
  • "But daddy..."
  • "Squeakity, squeak squeak squeakin', squeaker."
  • "That is the tits."
  • "Balloon tits!"
  • "Ok. I promise I won't go "Oh, si papi!". Give me a good spanking. Put some hate behind it."
  • "Awww, give me some pizza Daddy!!!"
  • "My daddy is the Tooth Fairy!"
  • "I'M OUT, BITCH!!!!!!"
  • "Babu bap, bap, babu."
  • "I hid it in off-shore bank account so no one could track it."
  • "Damn."
  • "I got you Junior, say a word, a single word, and I'll blow your brains off and you'll never see your family again!"
  • "Make my bay, hoe."
  • "My butthole hurts!"
  • "SHUT THE FUCK UP, JEFFY!!!" (Jeffy when he switched bodies with Mario)
  • "EWWWW! DON'T TOUCH ME WITH YOUR DIRTY BOOGERS!"
  • "Hey! What doing? What doing with that ka-nife?"
  • "What's a bus?"
  • "Ding! Ding! BAP!"
  • "Here ye, here ye, I am the doughnut king!"
  • "Um, daddy, why is this big Cheerio gold?"
  • "JUST SIGN IT, DADDY!"
  • "Uh-oh!"
  • "I want my booger back!"
  • "Again, thanks for caring, daddy."
  • "I got a 2-inch pipe it can clean."
  • "Hoes, hoes, hoes!"
  • "So you're telling me...no Disney World...no new cars...and I only get markers?"
  • "YOU MOTHERFU-"
  • "I plead da fifths!"
  • "I DON'T WANT ANOTHER ONE! I WANT THIS ONE!"
  • "I got a pretty cool daddy!"
  • "It's a pee pee, Daddy!"
  • "HOYOYOI!"
  • "PEEEHOLE TUBE!"
  • "I'm talking deforestation, bitch!"
  • "The internet is dick!"
  • "Daddy.. Please don't make me go with her.. She hits me and calls me bad names.."
  • "DADDY!!! DADDY, DADDY, DADDY, DADDY, DADDY!!!"
  • "I snore in Russian."
  • "DIE, BITCH!"
  • "Shibby!"
  • "Hey, hey! No hitting!"
  • "I HATE GREEN BEANS!!"
  • "This is deserved. I am a shithead."
  • "Someone pooped my pants."
  • "Mm-mm. I don't want my peas, I want marshmallows!"
  • "Oh, I am ready for bed, Daddy. See I got my bunny suit on, I got my carrots on, I'm ready for bed."
  • "Yeah so check it, this is what I want. I want two hot dogs—boiled—Then when you're done cooking them, I want you to put them on a plate loosely. No bun or anything because I like to watch them roll around. Then, on the center of the plate, I want you to put ketchup and mustard on there, but it's up to you to balance the place so the hotdogs don't touch the ketchup and mustard. Because if they do, then you're gonna have to start all over again. And then to drink, I want some of the water that the hotdogs were cooked in with milk. Then, once you got all that together, go ahead and put that in the trash because I'm not gonna want that either."
  • "My balls itch."
  • "Oh boy, oh boy, oh boy, oh boy cookie time, hehe!"
  • "COME HERE COOKIE! ONE BITE, AAAAAA-"
  • "Yeah I'm talking, paper, like 'pee-pee', but with cash, daddy."
  • "I just let out a big stinky shit cloud right outta my rectal hole."
  • "I need- I- need-... COOKIES!"
  • "Heeeyyy!!!"
  • ”THERE'S SH*T.”
  • "More tushin' for the pushin' daddy."
  • "Stick it into my squirrel caboose!'
  • "There are more pieces to this that are ants in the world!'
  • ”Pumpernickel fuck.”
  • "Wah. Wah. Cry, cry, wah, cry, wah, wah cry."
  • "I had cream cheese covered deviled eggs and 1 acorn I found outside." (Jeffy, after he farted on Marvin)
  • "I got more ping than a Chinese phonebook!"
  • "You parrot nosed fuck!"
  • "You gon' get hyit byitch!"
  • "HEEEEEYYY!! You hit my eyeball off!"
  • "...goofy goober yeah!"
  • "Was it taste good?"
  • "Oh, bee needle dick!"
  • That would be, the tits.

Forms and Variations[]

Sick Jeffy[]

Sick jeffy by jeffy jeffy-dbmsi4j

Sick Jeffy

Sick Jeffy is Jeffy with the flu, taking way greater effect than normal would with other characters such as Mario, and having a chance of giving others the flu. His appearance also changes to rundown, tired, and overall extremely droopy. The puppet was made by a fan known as Matt'zStudioz. This version of Jeffy appeared in Jeffy's Flu Shot!.

Smart Jeffy[]

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Smart Jeffy

Smart Jeffy is a variation of Jeffy, appearing in an episode of the same name, who is incredibly smart compared to his normal form (and everyone else), due to his pencil having impaled his brain because of a freak accident indirectly caused by Junior. However, at the end of the video, Jeffy sneezed, blowing his pencil out back down his nose, leaving a hole in his brain, and reverting him to his normal form.

J-Fee[]

Images (1)-1

J-Fee

A rapper variation of Jeffy that sings the songs "Why?" and "Wanna See My Pencil?."He has gotten arrested twice; the first time for shooting an elderly woman and opening up somebody's mail, the second time for slapping a girl. This version of Jeffy appeared in Jeffy The Rapper!, Jeffy The Rapper 2 and Precious's Biggest Fan!.

Green Bean Jeffy[]

Images-1531533911

Green Bean Jeffy

Due to the Green Bean Giant being angry at for not eating green beans, he cursed Jeffy and transformed him into a human-size green bean. The curse eventually wore off after Jeffy ate a whole plate of green beans, reverting him to his normal state. This is the primary reason why Jeffy no longer complains about green beans until Jeffy's Cat Piano Problem!. This variant appeared in Jeffy And The Beanstalk!.

Redneck Jeffy[]

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Redneck Jeffy is a variation of Jeffy with a Redneck's brain in his skull. After Jeffy sneezed his brain out, the doctor accidentally dropped his brain in his recycled brain bin, and they had to spend 8 hours picking out random brains, one of the brains was the Redneck's brain. He wears a Sombrero, rattles a Maraca, and talks in a Southern accent. This version of Jeffy appeared in Jeffy's Brain!. He also sounds a lot like Woody.

Drawing/Play-Doh Jeffy[]

For More information check out Drawing Jeffy
DrawingJeffy

Drawing Jeffy is a clone of Jeffy that he accidentally created by saying "Doodle doodle pencil fart!" Junior traps him into a piece of paper, and he is not seen until Jeffy Sneaks Out!, where Jeffy accidentally revives him with Play-Doh. He is shot and killed by Mario. This is the variation of Jeffy that has had the most appearances. The puppet for this version was made by a fan. He also killed Simmons, Brooklyn T. Guy's best friend but threatened to kill Mario and Rosalina which makes him a villain.

Jeffy App Salesman[]

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Although not a form or variation of Jeffy, it is an identical person, looking and talking exactly like him, aside from wearing Marx glasses. This version of Jeffy appeared in Jeffy's Tantrum!.

Angry Jeffy[]

AngryJeffy

Angry Jeffy

Jeffy turns way more angry than usual after eating tic-tacs. He gets so mad that he even shouts at Junior, who is one of his best friends. It looks like the normal Jeffy, but with big slanted eyebrows. He appears in Jeffy Gets Help!.

Depressed Jeffy[]

DepressedJeffy1

Depressed Jeffy

Jeffy's face gets really messed up, similar to Drawing Jeffy. However, he is black and white and is suicidal. This form's Jeffy isn't energetic like his normal self. This happened after eating tic-tacs. The puppet for this version of Jeffy was made by a fan. He appears in Jeffy Gets Help!. He reappears in a Chilly vlog, where he went to the airport to fly to South Florida.

Wig Jeffy[]

Wig Jeffy

Jeffy has lots of overgrown "hair" that needs to be cut. After Mario sees him, he goes to call a Hair Cutter to cut Jeffy's "hair." Before he cuts it, Jeffy shakes his head, revealing that it is actually a wig.

Taco Jeffy[]

Jeffy dresses up in his taco suit. His appearance is a standard hard-shelled taco with meat, lettuce, and cheese. Jeffy asks Mario to buy him tacos from Taco Bell because it's Taco Tuesday. Jeffy's body can still be seen behind the taco, with Jeffy's head sticking through the front of the suit.

Scooter[]

For more information, check out Scooter.
Scooter

Scooter

Scooter is a clone of Jeffy. He was made by Cody's Crazy Cool cloning machine (or C-C-C-Cloning machine). They had a short relationship with each other as he was shot in the face with a Nerf gun by Bowser Junior only minutes after he was made. He likes to say "Hey fat boy, wanna fight?"

However, after an absence for two years, Scooter returned in Jeffy and Junior Skip School!

Baby Jeffy[]

BabyJeffy

In the episode, Jeffy drank too much youth juice, turning him into a baby. Baby Jeffy starts Fighting Against Brooklyn T Guy and Beats him up. This is also the only form of Jeffy that has toes. He also appears in Jeffy Ball Z, as a presumably separate character under the name Jeffy-Han.

Old Jeffy[]

OldJeffy

Old Jeffy

In the episode Baby Jeffy!, Jeffy drank too much old juice, turning him into old Jeffy. Old Jeffy has gray hair instead of brown hair. Although he acts like normal Jeffy, he acts slower than normal. He shares a similar appearance and voice with Harold Wilfred.

Zombie Jeffy[]

In the episode Zombie Jeffy!, Mario presumably kills Jeffy after shooting a green bean down his throat causing him to choke. While Rosalina and Mario are mourning the loss of Jeffy, suddenly he shows up again and Mario, Rosalina, and Brooklyn T. Guy try taking care of him and Brooklyn T. Guy talks to him in Zombie language. They get Mario to stick his head in a porta potty for 10 minutes, and afterwards they reveal that everything was a prank, and Rosalina put makeup on Jeffy, and Brooklyn T. Guy amputated his arm, which they had to get sewed back on later.

Pregnant Jeffy[]

There it is, this monstrosity.

Pregnant Jeffy

In the episode Pregnant Jeffy, Harry turns Jeffy pregnant with his impregnator machine thing. (I don't feel like continuing this.)

HandsomeJeffyBackgroundVersion

Jeffy in his Handsome form

Handsome Jeffy[]

JeffyWithHandSomeOutfitWithNormalFace

Jeffy with his Handsome outfit but with his normal face

In the episode Handsome Jeffy!, Jeffy gets into a car accident with Marvin, which causes Jeffy to be injured, having both of his eyes popping out, and blood on parts of his face and on his eyes. So, Brooklyn T. Guy gave him plastic surgery and he ends up looking handsome with a fancy white shirt and suit, a bow tie, straight row of teeth, had his crooked eye fixed to not be crooked, eyebrows, slicked hair, new nose (with tracker installed there), no pencil, and no diaper. This form didn't last long as PJ hits him in the face with a mallet because Jeffy stole his girls, which this causes Jeffy's face to look ugly again with the unibrow, his crooked eye returned, nose went back to normal, his pencil returned, and he had his two buck teeth return.

Relationships[]

Mario[]

Before Season 9, Mario and Jeffy formerly had bad blood against each other. Mario also hates his stupidity and how he can annoying sometimes. Although he is protective, such as when he lost Jeffy where he eats, and when Jeffy had a gun, he was looking and telling Jeffy to put the gun down (even though he should've been happy because he wouldn't have to deal with Jeffy anymore). He also shot Jeffy with a Nerf gun in Bowser Junior's Nerf War! In Where's Jeffy?, Mario abandoned Jeffy at the park. However, when Jeffy turned smart, Mario liked him very much and told him that he was proud that he was his son, and was sad when he turned back to normal due to him losing the international world smart person contest.

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Jeffy with Mario

However. in the episode Jeffy's Parents!, it showed Mario's good side on Jeffy and he officially adopts him. He missed Jeffy when his mother came to take him home. Mario called the cops on her and took her to Jail for Child Abuse, Prostitution, and much more bad things. After learning about Jeffy’s tragedy and how his former father was a millionaire and killed himself and give all his money to him, Mario now officially adopts him and they are now officially father and son.

Despite their differences, Mario and Jeffy still love each other deep down, and can't live without each other, developing a relationship similar to Bowser Junior and Chef Pee Pee or a relationship similar to Bowser Junior and Bowser.

Status: Neutral (Currently Friends on Mario's side)

Bowser Junior[]

Rock paper sissors

Jeffy with Bowser Junior

Considering how widely popular and relevant both characters are, Jeffy and Bowser Junior are very good friends. They enjoy hanging out with each other and make a good team.

When Jeffy and Junior met for the first time in Bowser Junior's Game Night 3, Junior called Jeffy awesome for surviving a game of Russian Roulette. Jeffy was indirectly also the reason for Mario and Junior permanently recognizing each other starting from that episode, and he also seems to like Junior. As of recently, both Junior and Jeffy seem to get along more, as shown in Shrek The Babysitter! and Smart Jeffy. Junior even caused the main plot elements of Smart Jeffy and Jeffy Loses His Teeth!, wherein he made a jump from a trampoline and hit a table in the former, and accidentally knocked one of Jeffy's teeth out with a T-ball bat in the latter. However, Jeffy and Junior have had major conflicts between each other in the past, such as Junior being responsible for the death of Jeffy's children Puss Hole and Puss Hole 2 in Jeffy's Kids!, a deleted video. Despite this, they generally seem to be on a good term regardless. After Jeffy and Junior skip school, where Jeffy agreed with junior to skip school to go mini-golfing. He and Junior are now best friends to a point where junior plays with him more than Cody and Joseph. In Jeffy and Junior's Big Heist, Jeffy helped Junior retrieve Charleyyy’s underwear and getting him to sign it as they both disguised as people from corporate to make him sign it. He and Junior are now best friends and behaved like brothers

Status: Best Friends

Cody[]

Cody and Jeffy are good friends. Although sometimes Jeffy can get on Cody's nerves, Cody doesn't mind this. Cody finds Jeffy extremely stupid as seen in The Test! when he fails to teach Jeffy proper math. Along with Bowser Junior. Cody sometimes finds opportunities to rape Jeffy, it is unknown if Cody was able to rape Jeffy in The Remote! as Cody sometimes finds Jeffy attractive.


Status: Neutral (enemies on some occasions)

Nancy[]

Prior to the flashback in the episode Jeffy’s Parent’s, Jeffy was shown to actually like Nancy before she abandoned him.

Nancy was shown to be very abusive towards her son, to a much higher extent than Mario was. Jeffy used to be scared of Nancy. However, in Jeffy's 18th Birthday! it is shown that Jeffy is no longer scared of her and he hated her. Nancy acted as she cared about him when people were around, but when they were alone, she would always beat him. Nancy eventually got arrested and Jeffy ended up getting adopted by Mario.

Later in Jeffy's 18th Birthday!, Jeffy was taken after showing up in the field to rescue Marvin and him and the cops started chasing the van to get Jeffy. While they're still chasing them, He tries to resist and tries to get the gun, but his mother holds her gun closer to him. Once, Screwball says about losing their gas, Jeffy snatches Nancy's gun and shoots her in the face, Jeffy jumped out of the van as Simmons causes it to explode. Jeffy became very happy as his abusive mother is finally dead.

Status: Former Enemies

Rosalina[]

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Rosalina confronting a scared Jeffy.

JeffyRoseWithJeffy

Jeffy and Rosalina seem to get along well, going to where Rosalina copies Jeffy a lot. He usually calls Rosalina "Mommy" just like how he calls Mario "Daddy." Rosalina acts like a deep motherly figure to Jeffy, to the point of sometimes caring more about Jeffy, and calling Mario out whenever he abuses Jeffy, even breaking up with Mario when he heartlessly let Jeffy go with Nancy. She most likely does this as she wants to be the mother Jeffy was "supposed" to have as Nancy abused him which makes Rosalina mad as she absolutely hates to a point at even trying to break up with Mario as he tried to give Jeffy back to Nancy. He will yell at her occasionally if he does not get his way, but despite this, He mostly loves her as a mother. Rosalina is more loving and caring towards Jeffy to the point where she acts as a motherly figure and calling Mario off whenever he gets angry at Jeffy.

Status: Neutral (Friends on Rosalina's side)

Jacques Pierre François[]

Not much is known about Jeffy's relationship with his dad, world-renowned French painter Jacques Pierre François, who had faked his death to make his paintings more valuable. Due to the fact that Jeffy's "IF LOST" paper contains Jacques's name and address information, this could imply that Jacques used to care about Jeffy. Jeffy has also claimed that he learned basic French from his father. However, in Jeffy's 18th Birthday, Jacques told Jeffy to "fuck off" on live television and left him with none of the fortune. As of now, Jeffy is completely unaware of his father's contempt towards him.

Status: Neutral

Feebee[]

In Jeffy's Sister!, it was revealed that Jeffy has a sister named Feebee. Jeffy and Feebee are very similar in character, with nearly exactly the same traits. They can even communicate with each other through diaper patting. However, it was revealed in Jeffy's Sister Returns!, that Jeffy's sister Feebee was killed when she got hit by a truck while riding a bike and died back in 2015.

Status: Siblings

Brooklyn T. Guy[]

Most of the time, Brooklyn T. Guy doesn't seem to mind and cares about Jeffy, as shown in episodes such as Mario The Babysitter!, Jeffy's Bad Word!, Jeffy Goes To The Zoo! and Locked Out. But he still likes him as a friend. However, in the third episode of Who Wants to Be a Millionaire? Brooklyn Guy is shown to get annoyed with Jeffy's behavior and is sometimes Jeffy’s arch-rival

Status: Friends (Enemies on occasions)

Chef Pee Pee[]

Jeffy seems to like Chef Pee Pee, but Chef Pee Pee, like Mario, does not seem to have the patience for Jeffy. For instance, he got annoyed with when Mario and he were trying to get to eat his green beans. Chef Pee Pee also seemed upset when Jeffy ruined the pencil cake Chef Pee Pee made for him. When Chef Pee Pee babysat Jeffy, he was so annoyed by Jeffy's shenanigans to point that he would've killed Jeffy if Mario hadn't shown up in time.

Status: Neutral

Black Yoshi[]

Jeffy doesn't seem to have much of a relationship with Black Yoshi. The two have only unofficially met in one video Jeffy's Mistake! but the events in that video are a dream. However, Black Yoshi and Jeffy have mentioned each other many times in future episodes, like Jeffy's Piggy Bank! and they seem to rather have more of a positive relationship rather than a negative one.

Status: Neutral

Shrek[]

Jeffy and Shrek don't seem to have a good relationship because Jeffy locked him in the bathroom and ate his cheesecake along with Bowser Junior so Shrek locked both of them in the bathroom with the toilet clogged.

Status: Enemies

Toad[]

Jeffy and Toad seem to be rivals when it comes to the rap game, however outside of rapping, for the most part they seem to be on good terms, even if they don't have much interaction outside of rapping.

Status: Neutral (Enemies while rapping)

Bully Bill[]

Jeffy is a frequent target for Bully Bill. However, Jeffy does not take it lying down, and turns Bully Bill's bullying on him with extreme physical violence. Despite the number of beatings, he has taken, Bully Bill never learns his lesson because he is an idiot.

Status: Enemies

Bowser[]

Jeffy and Bowser don't seem to have a good relationship due to how Bowser accidentally gave Jeffy the flu by coughing in his mouth in Jeffy's Flu Shot!, how Bowser acted harshly towards Jeffy in The Competition! and how Bowser mistook the shock collar remote for the TV remote and repeatedly used it, shocking Jeffy and indirectly framing Mario in Jeffy's Punishment!, as well as how Jeffy was paid by Mario to break Bowser's trophy in Jeffy and Junior Sneak Out!. Jeffy, however, did congratulate Bowser when he won Charleyyy's underwear in Jeffy and Junior's Big Heist!, but other after that, for the most part they seem to be on good terms, even if they don't have much interaction with each other.

Status: Neutral (Enemies on rare occasions)

Jackie Chu[]

Jeffy and Jackie Chu are archenemies. They first met in the First Day Of School!. Jackie Chu never like Jeffy because of his bad behavior and Jeffy hates Jackie Chu because the latter yells at him, kicks him out of class, and makes fun of him by calling him a bitch. Although the two hated each other all the time, but on extremely rare occasions, they kind of have a good relationship with each other, two examples that have the two being on good terms is in The Baby Project! where Jackie Chu gives Jeffy and Junior an A for killing the baby and in The Science Fair! where he gives Jeffy an A+ for melting crayons on his rainbow popcorn project.

Status: Archenemies

Penelope[]

Penelope and Jeffy seem to be friends though they rarely interact with each other, although in SQUID GAME, Jeffy tells her to shut up.

Penelope tells Jeffy to shut up in Junior Goes To Legoland!.

For a 3-legged race in Jeffy's Summer Camp!, they partner up, but Jeffy drags Penelope the whole way across.

In Handsome Jeffy!, Jeffy gets plastic surgery to become handsome. Penelope and some other girls fall for him. Penelope asks for his number, and then she and the other girls proceed to kiss him.

Status: Neutral

Abilities / Superpowers[]

Bringing Drawings to Life[]

Jeffy has a spell called Doodle Doodle _____ Fart. One example was Drawing Jeffy! where Jeffy said, "Doodle Doodle Pencil Fart." Jeffy can only do this with the pencil in his nose.

Precognition[]

Jeffy was able to predict the future in Jeffy The Psychic!. One example was when he knew that Brooklyn T. Guy charged Mario 10 grand for wasting his time.

Magic / Flight[]

In Fat Jeffy, Brooklyn T. Guy proved to Mario and Jeffy that they could do anything because they were toys. And when they knew that they flew to the kitchen room. This power was also the main subject and Jeffy's Magical Pencil!. He had the ability to turn people into things/animals/creatures only for the pencil to choose. That was proven when Jeffy tried to fix Mario but accidentally turned him into a Minecraft Zombie due to the pencil choosing so. Everything was fixed when the glitter was washed off Jeffy's pencil. This is proof that the glitter on Jeffy's Pencil gave it the power to turn people into other things/people.

High Strength[]

Jeffy is possibly one of the strongest characters in the SuperMarioLogan franchise, and so is Bully Bill. But that does not stop Jeffy from handing Bully Bill's ass to him and beat up Brooklyn T. Guy even as a Baby. In Jeffy the Boxer!, he knocked out D-Money, a once undefeated world champion boxer with a mere two punches. In "Jeffy's Bad Christmas!" (2017), Jeffy is able too lift up and throw a Christmas tree a few meters, compared to the size of him and the Christmas tree he seems to be extremely strong. In the same video he also knocked Santa Claus with only one punch.

Sleuth Skill[]

In Detective Jeffy, he is shown to have skills as a detective as he is able to find clues better than the police.

Trivia[]

  • The Jeffy puppet was made by Evelinka (Eva Gronowitz) from Beacon Art Studios. It can be found on her Etsy website and costs $513.00 USD.
  • Jeffy has had seven birthdays since he was taken in by Mario, making him 18 due to his age being revealed in Jeffy's Parents! when Brooklyn T. Guy read the note with Jeffy's information.
  • Logan said in multiple videos that Jeffy was originally going to be a one-time character, but he turned out to be so big and popular by fans and young children, he became a permanent character in the SML franchise.
    • Many fans have speculated that Jeffy was the main reason for older characters such as Tony, Woody, and Shrek to not appear in more recent SML videos. However, Logan revealed in a Livestream that Jeffy was the replacement for Tony, since Lance couldn't do Tony's voice as well as he used to, which upset many older fans.
  • Lance Thirtyacre's Meet the Cast video reveals a few behind-the-scenes aspects about Jeffy.
    • Jeffy was originally going to be named Doofy; however, to avoid confusion with Doofy The Dragon, they ended up with naming him Jeffy.
    • He was originally going to be played by Chris but due to him playing Brooklyn T. Guy he couldn't play Jeffy since it would be hard for him to play two characters in one scene.
    • Jeffy was actually supposed to have a red helmet, but it never happened but in a video his helmet was recolored red for a few minutes.
    • Jeffy’s eyes were originally far apart, but due to him looking like a snake they brought his eyes closer.
    • When the SML crew first got the Jeffy puppet, he did not have a diaper, a pencil in his nose and didn't have the name Jeffy written on his shirt.
      • This specific puppet can also be found on Evelina's Etsy page, under the title, "Sam the Puppet" which would reveal that Jeffy was originally named Sam, before the SML crew thought what to rename him.
  • Lance's Character Q&A video reveals a few things about Jeffy.
    • His favorite foods are carrots and chocolate cake. He also likes pancakes with marshmallows.[7]
    • Jeffy prefers cats over dogs. This is evident with how he frequently plays with his Cat Piano.
    • Jeffy says he never laughed, but this is untrue, since in First Day Of School!, he is seen laughing with Junior when he put on his name card "poopy butt" (chuckles), and in Jeffy's Trap!, he is seen laughing.
      • It is possible Lance did not remember those episodes or because of how rare it is for Jeffy to actually laugh; it could be why he answered that.
    • The reason why he spanks his diaper is that it "feels good on his pee pee."
    • His favorite color is a carrot (which possibly means it's Orange.)
  • According to Logan, the main Jeffy puppet's pants are sewed on. Any time he is seen naked or without his pants, he is shown either from the waist up or a stunt double is used.
  • Jeffy received an immense hatred from most fans in 2016, namely after Jeffy’s Bad Word! however, after Jeffy’s Parents! most fans stopped hating him and started to show him love, though some fans, namely older ones, continue to hate him to this day.
  • Logan has many stunt doubles for Jeffy along with any other character
    • He reused four Jeffy stunt doubles as new characters. Three were reused into Jeffy's Emotions (Joy Jeffy, Anger Jeffy, and Sad Jeffy) while a fourth was reused into Face Eater.
    • Logan also reused parts of another Jeffy stunt double with parts of a Bowser Junior plush into Jeffy Junior.
  • A YouTuber by the name of Billy Bob Tanley thought Jeffy was a 45-year-old man, but in reality, he is not.
  • Logan has confirmed in a Chilly vlog that he is going to take a break from using Jeffy, as he has caused his channel problems since his debut in Mario The Babysitter!; however, Jeffy will return sometime soon again.
  • It's revealed in Jeffy Gets Help! that Jeffy is allergic to Tic Tacs.
  • Jeffy is one of the strongest characters in the series since he has beaten up Brooklyn Guy, Bully Bill and Santa Claus.
  • Jeffy is similar to Leland Powell (AKA: Kid Temper Tantrum) from Oh Shiitake Mushrooms.
  • Jeffy likes mashed potatoes.
  • Part of Jeffy's full name, Jeffy Jeffy, may be a reference to Mario's full name, Mario Mario.
    • Though, Jeffy's last name is confirmed to be François like his biological father.
  • It has not been confirmed if Jeffy suffers from a mentally disability and/or retardation.
    • He is, however, implied to have Down syndrome, as stated in Bowser Junior Kinda Goes Camping!, when he says "I'm down... syndrome."
    • In Jeffy's Homework!, Jeffy is revealed to attend "Special Needs School", despite the fact Logan has said Jeffy is not disabled. However, this has since been changed to Jeffy attending the same school as everyone else, suggesting that he is simply extremely unintelligent rather than mentally retarded.
  • In Jeffy Gets Bullied!, it is revealed that Jeffy's belief that 8-4=8 is now being taught as fact, under the name "Jeffy's Law of Mathematics."
    • He also thinks 2+2=Baby 2, 0+0=2, 9+10=910 and 9+3=93. (He originally thought 2+2=74.)
  • His constant abuse by Nancy may be the reason for him treating Mario badly.
  • In the Pokémon series, Jeffy owns a Cookie Monster and somehow taught it Thunderbolt.
  • The first video where Jeffy is first seen without his helmet is Where's Jeffy?.
  • Jeffy has many different poses in the videos' custom thumbnails.
  • He and Brooklyn Guy's birthday also take place the same day the creator of SpongeBob SquarePants, Stephen Hillenburg, was born which is August 21.
  • The song that is used for when he is on-screen is called Doh De Oh by Kevin MacLeod.
  • In Jeffy's Birthday!, it is revealed that Jeffy's birthday is on August 21, and his birth year (2004) was revealed in Jeffy's Parents! after the other half of his "IF LOST" paper was recovered.
  • Jeffy has the same birth date as Brooklyn T. Guy, Hansel and famous runner, Usain Bolt.
  • Jeffy is seen with his eyes bulging in Jeffy's Stupid Home Video!, Jeffy Sleepwalks!, Jeffy's Birthday!, Jeffy's Sister!, and more (including one eye).
  • In First Day Of School!, Jeffy is shown to be in second grade, leading many people to assume he was 7 or 8. Despite being 16 years old, it could be possible Jeffy has been held back six or seven times. It could also be because Nancy never put Jeffy in school before abandoning him.
    • It has been revealed that Jeffy has passed second grade. [8]
  • It is possible that Jeffy puts his pencil in his nose because Jacques Pierre François got famous for putting paint in his nose and sneezing it out.
  • In Jeffy's Bathtime!, it is revealed that he has aquaphobia, a fear of water.
  • Because of his lack of intelligence and disobedient behavior, it's possible his mother never took him to school before he was forced to move with Mario in his apartment.
  • Jeffy has undergone several changes since his first appearance in Mario The Babysitter!.
    • Jeffy used to bang his head on the nearest surface whenever he was called a bad boy, but this seems to have subsided since 2017.
    • In earlier videos, he was unaware that his pencil was in his nose. In recent videos, he knows that his pencil is in his nose and seems to really care about his pencil as if it were his most prized possession.
    • In earlier videos, whenever he would pat his diaper, he would not respond to anything. He later stopped doing this.
    • In his first appearance, his voice sounded way more different than his new recent voice from April 2016.
    • Jeffy looked more stupid when he made his first debut but has faded away due to the frequent use of him up to Jeffy Sleepwalks.
    • He used to put other things besides his pencil up his nose such as a crayon or paint brush, but he later stopped doing that.
    • However, Jeffy still hates green beans and broke his promise to Mario in Jeffy's Cat Piano Problem!.
    • From that episode until now, Jeffy looks a bit different.
  • Jeffy turned 13 on the same day of The Great American Eclipse.
    • It is also revealed in Jeffy's Birthday Wish! that his birth sign is Leo.
  • On November 22, 2017, Logan uploaded a video on Chilly's channel saying that he'll make some minor changes to Jeffy, as YouTube kept on demonetizing videos that have to do with Jeffy doing inappropriate things, like humping a Cheerios box and swearing most of the time.
  • Jeffy is the second character to solve a Rubik's Cube, the first being Cody.
  • Jeffy, alongside Mario and Brooklyn T. Guy are now the most common characters in the SuperMarioLogan channel.
  • Logan has also stated in an interview with Dabhdude that he wishes that he had never added Jeffy, due to the issues that have arisen after his debut.[9] However, in SML Reacts: Jeffy's Mistake, he does admit to liking Jeffy as a character.
  • Jeffy was not originally meant to always spank his diaper. It was in Mario The Babysitter! where Lance started to make Jeffy spank his diaper out of nowhere. In fact, Logan was originally going to cut the scene of Jeffy spanking the diaper since it makes him seem as if Jeffy was masturbating, however, the majority of the cast members thought it was hilarious and started laughing hysterically so Logan decided to put it in instead and is thus why Jeffy often spanks his diaper in his older videos.[10]
  • As announced in a Chilly vlog, Logan might not make Jeffy in SML videos anymore, that is until Jeffy Plays Baseball! appeared.
  • It is revealed in Jeffy Goes To The Zoo! that Jeffy is implied to be zoophilic.
  • He wears an Up & Up‎ newborn diaper.
  • He wants to be a grown up when he grows up.
  • It was speculated by many older fans that Jeffy's original personality was a replacement for the beloved early-generation characters Mama Luigi and Tony the Tiger because of their dumb antics. In later videos however, Jeffy's personality has changed in a way Mama Luigi and Tony never would have acted, disproving the theory that Jeffy was Mama Luigi and Tony's replacement.
  • He can't swim, as revealed in Jeffy Plays Baseball!.
  • Jeffy's favorite character on SpongeBob SquarePants is Patrick. However, he believes that Patrick is Squidward.[11]
  • Jeffy's way of understanding people is the opposite of his objective.
  • Jeffy is a fan of Naruto.[12]
  • Jeffy and Goodman both curse frequently.
    • Coincidentally, both characters are played by Lance.
  • Jeffy can look both ways at the same time when crossing the street since he is cross-eyed.[13]
  • Due to Jeffy having used the Memory Looker Backer Machine to help finds his pencil in Jeffy Loses His Pencil!, Jeffy is now at an increased risk for brain cancer.
  • Jeffy has admitted that even though his name is written on his shirt, he still forgets his name sometimes.[14]
  • A metal rod is used for Jeffy to control his arms, that rod is usually on his left hand, implying Jeffy might be left-handed
  • Jeffy doesn't know his colors.[15]
  • It's revealed in Jeffy's Parents! that Jeffy was born in Paris, France.
  • Jeffy's catchphrase "ARE YOU F--KING High!" could be inspired by Step Brothers in the scene where Brennen and Dale's parents ground them by not letting them watch TV for a week after the two get into a fight which made Brennen mad and shout "YOU'RE F--KING HIGH!"
  • Puppet of "Puppet Reviews Stuff" hated Jeffy. In his reaction videos, he would always complain or lose his temper every time Jeffy does something stupid.
  • in Jeffy's Lie!, he is shown to turn off his ears and pretends he can't hear anything in a form of ignoring people.
  • Jeffy has worn the most costumes out of any character on SML.
  • There is a difference between SML Jeffy and Kable10 Jeffy, the SML Jeffy would get mad or upset when he gets punished or grounded while Kable10 videos Jeffy, he would be just upset.
  • Older videos showed Jeffy frequently swearing. More recently, he stopped swearing.
    • One of the reasons why Jeffy may not swear a lot like he used to be is because of YouTube's strict rules and Logan not wanting his channel to be shut down or his videos getting demonetized.
  • His childhood is much like Dabi's from BNHA.
  • According to Jeffy's Anger Management, Jeffy's weight is 120lbs.
  • Unlike most people, he prefers regular Cheerios over Honey Nut Cheerios.
  • Despite not having a passport, he still went to Florida.
  • In Jeffy's 16th Birthday!, he prefers new cars, rather than old cars.
  • Jeffy hates green beans, because they look like boogers. He also implies that he doesn't like eating boogers, unless they come from his nose.
  • As shown in Jeffy's YouTube Channel! and Jeffy's Trap!, he is able to unhinge his jaw like a snake.
  • Jeffy was the last character introduce that became a main character.

Merch[]

Logan has released merch with most of them being Jeffy related, like the Jeffy phone case, Jeffy T-shirt and the newly added most wanted to be the Jeffy Puppet which cost approximately $99 which have currently gem discounted to $75. Most of the shirts and stuff there tend to be pretty pricey ranging from $20-$50. The Jeffy Puppet tends to be the most popular sidling about 80 puppets PER DAY. The Puppet according to Logan is a 24-inch Puppet made from plush fabric outer layer, 100% Polyester inner layer for hand-insert, stuffed with PP cotton. PU leather shoes, and non-woven diaper. The production takes up to 1 or 2 days.
Click this to check the website out (https://smlmerch.com/)

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Sources[]

Characters