| Please note the following:
This is a list of characters who have had only one speaking appearance throughout the series. Despite only speaking in one episode, they may have made cameos in other episodes.
Some of these characters are villains or antagonists and some of these characters are neutral characters.
- A (MOV) indicates that the character was mentioned in other videos.
- A (VO) indicates that only the voice was heard and not the appearance of the character.
|Brandy Harrington||Joseph's Pet!||Brandy appeared in the DVD called "Brandy & Mr. Whiskers : The Complete Series.|
Three Unnamed FireFighters
Three Unnamed People are FireFighter Who appear in Jeffy's Lie! when Jeffy is Talking About his cool story however three firefighters are running
|South Pole Santa||The South Pole Santa!||For more infomation, see South Pole Santa|
|Robot Chef Pee Pee||Chef Pee Pee The Robot||Robot Chef Pee Pee is a robot version of Chef Pee Pee so the real Chef Pee Pee could go on vacation and was used from Happy Merry Christmas! to Chef Pee Pee The Robot although wasn't revealed to be a robot until Chef Pee Pee The Robot where he was the main antagonist.
Bowser Junior throws him in the bath at the end of the episode killing him
|Three Military School Students||Bowser Junior Goes To Military School!||Three unnamed children are military school students of in Bowser Junior Goes To Military School! Part 1. They don't have much dialogue and die while running through a path of landmines.|
|The Fish||Sunken!||Mr. Fish is a fish that Bowser Junior and Cody asked where Ken was.
He responded but was quickly killed by the Killer Whale.
|The Nerd||Nerd and Bully's||The Nerd was the main antagonist of Nerd and Bully's until The Bully appears as the antagonist of the video.|
|Clone Bowser Junior||Jeffy's Clone!||Clone Bowser Junior was Bowser Junior's clone in Jeffy's Clone! and was killed by Cody a minute after he was made by the cloning machine. His only word is "HI GUYS! I'M JUNIOR! WHERES THOMAS?? CHEF PEE PEE!!". The real Bowser Junior and Cody did not like Bowser Junior's clone because he was ugly.|
|Debra||Jeffy Gets Glasses! (MOV)||For more information, see Debra.
Debra is Brooklyn T. Guy's ex-wife who is said to be very overweight. Brooklyn Guy makes her a sim when he played the Sims 4 and was implied to be African-American due to her sim.
|Pool Shark||Sunken!||The Pool Shark is a minor character in Sunken!.
He pretends to be bad at pool even though he Bowser' bad at pool.
Bendy Is a Background Character Who Appear In Bowser's Mistake! From The Post-Video When Logan Sees The Fans On New York Also the kid was hold The Bendy Plush And he Appears In Chilly's Vlogs
|Cheez-It Kid||Jeffy's Sleepover!||Cheez-It's Kid is a character that appeared in Jeffy's Sleepover!. He gets Brooklyn T. Guy's snack at the vending machine along with his getting him 2 snacks causing Brooklyn Guy to attack him.
He is put in to foster care later because his mom gets arrested. Him getting beat up by for having his Cheez-Its is likely a reference to a kid in Florida getting beat up by his father for eating all the Cheez-Its..
|Angry Mom||Jeffy's Sleepover!||The Angry Mom is a character that appeared in Jeffy's Sleepover! and is the mother of the Cheez-It Kid. She called Brooklyn T. Guy's Boss because Brooklyn T. Guy attacked her child for having his Cheez-Its.
She gets arrested by Brooklyn Guy shortly after he hangs up on his boss for smelling weed on her getting her arrested, having her son put in foster care, and Brooklyn Guy getting his and her sons Cheez-Its.
|Joe||Jeffy's Sleepover!||Joe is Brooklyn T. Guy's friend that appeared in Jeffy's Sleepover!.
He gives Brooklyn Guy 1 dollar in quarters. Brooklyn Guy also owes him a lot of money.
|Katy||Cody's Sister!||For more information, see Katy.|
|Jeffy Junior||Jeffy's Kids!||For more information, see Jeffy Junior.
He presumably died when Jeffy put him in the toilet and flushed himself. His mother is a Cheerios Box and his sisters are Pusshole 1 and Pusshole 2 who were also killed.
|Mr. Hisfriendfromschool||Joseph's House! (MOV)||For more information, see Mr. His Friend From School.
Mr. Hisfriendfromschool is the father of Joseph. He is mentioned by to be abusive as he has mentioned to have beat his wife a lot as mentioned in Truth Or Dare! and alcoholic as he kicked Joseph out of the house as mentioned in The Christmas Special!.
He was only mentioned until his physical appearance in Joseph's House! where he is a dry-bones and could turn into a Boo. He his revealed to be dead in The Alien! as mentioned by Joseph meaning he was undead when he appeared in Joseph's House!.
|Bowser's Dad||Bowser's Mom||Bowser's Dad is a mentioned character in SuperMarioLogan.|
|Penguin||Chef Pee Pee the Octopus!||The penguin is a character that appears in Chef Pee Pee The Octopus!.|
|Killer Whale||Sunken||The Killer Whale appears as a minor villain in Sunken.
He is the one who killed Mr. Fish.
|Other Shark||The Fishing Trip!||The Other Shark was a minor antagonist of The Fishing Trip!.
It appeared towards the end of the video when it ate Mario.
|Mario's Emotions||Inside Jeffy||Mario's Emotions appear as minor characters in Inside Jeffy.
They appear at the end of the video.
|Jerry||Jeffy's Bad Christmas||Jerry is a minor character in Jeffy's Bad Christmas.|
|Jimmy||Stuck!||Jimmy is a character who briefly appeared in Stuck! when he electrocutes Doofy The Dragon.|
|Money Thief||Jeffy's Piggy Bank!||The Money Thief is a villain in Jeffy's Piggy Bank!.|
|Bumble Bee||Jeffy Gets Stung by a Bee!||The Bumble Bee is a minor character from Jeffy Gets Stung By A Bee!. It appeared when it was buzzing around and Jeffy called it a butterfly and forced the bee to get in his mouth.
Then, Jeffy ate the bee which caused him to get stung.
|Hot Dog Man||Jeffy Sneaks Out!||The Hot Dog Man is a character who appears in Jeffy Sneaks Out!.|
|The Bully||Nerd and Bully's||The Bully appears as a minor antagonist of Nerd and Bully's.
He was bullying The Nerd and beating him up which made him cry. The bully also stole The Nerd's cards.
|Sea Monster||Sunken||The Sea Monster was a character in Sunken.|
|Bullet Bill||The Warp Pipe!||Bullet Bill is one of the antagonists of The Warp Pipe!.|
|Hammer Bro||The Warp Pipe!||Hammer Bro appears as an antagonist in The Warp Pipe!.
Just like Bullet Bill, The Piranah Plant and Thwomp, Hammer Bro killed Mario and Bowser Junior.
|Mr. Hippo||Alien Jeffy!||Mr. Hippo is a character who appeared in Alien Jeffy!.|
|Chiquita||Alien Jeffy!||Chiquita is the school nurse who appeared in Alien Jeffy!|
|Tiger||Black Yoshi's Call of Duty Loan!||Tiger is a character who first appeared at the end of Black Yoshi's Call of Duty Loan! and was seen chasing Black Yoshi.|
|Thwomp||The Warp Pipe!||Thwomp is a minor antagonist of The Warp Pipe! who was seen killing Mario and Junior.|
|Rabbid||Bowser Junior's Pet!||The Rabbid is a minor character in Bowser Junior's Pet!.|
|Jeffy Salesman||Jeffy's Tantrum!||Jeffy Salesman is an identical person, looking and talking exactly like Jeffy, aside from wearing Marx glasses who appears in Jeffy's Tantrum!.|
|Lime Green Cock-A-Doodle-Tweet Tweet||Jeffy's Haircut!||The Lime Green-Cock-A-Doodle Tweet Tweet is a character from Jeffy's Haircut!.|
|Pooby Claus||The South Pole Santa!||For more information, see
Pooby Claus is a santa alter-ego of Chris Netherton
|Q*bert||Black Yoshi's Mistake!||Q*bert is a minor character in Black Yoshi's Mistake!. He was seen trying to buy something from Loan Dolphin but couldn't afford it. Because of this, he swears like he typically does in the games in response to how he was unable to afford what he was trying to buy. Q*bert also appeared in a Titototter video where he was cursing out Shadow.|
|Michael||The Christmas Special!||Michael is an employee of Toy "R" Us who kicked Chef Pee Pee out of the store for choking a kid for a toy.|
|Mojo Jojo||Forsaken||Mojo Jojo is the main antagonist of the TV show, The Powerpuff Girls. He appeared in Forsaken when Bowser Junior and his friends were watching The Powerpuff Girls on television. During this appearance, he was shown with a machine attempting to destroy the City of Townsville. The Powerpuff Girls crash through the ceiling, much to his dismay, and use their superpowers to end the evil monkey's day! He was also seen on a picture in Luigi's Mansion Episode 7, and a costume of him was worn by Cody in Jeffy's Halloween!.|
|Mini-Me||Jeffy's Commercial!||Mini-Me is a middleman that makes dirty money clean, he resembles Jeffy.|
|Mario||Bowser Juice Infomercial||Mario is a minor character in Bowser Juice Infomercial. Mario first appears when he tries to defeat Bowser but Bowser killed him by beating him up and then burning him.|
|Mr. Whiskers||Joseph's Pet!||Mr. Whiskers appeared on the DVD called "Brandy & Mr. Whiskers: The Complete series.
Not to be confused with the cat.
|Perry the Platypus||The Costume Contest!||Perry is a character from Phineas and Ferb. Despite never appearing physically he is mentioned in The Costume Contest!. There, when Junior tried to tell Joseph to find his "parents", he stutters and Joseph thinks he is talking about Perry. Junior then tells Joseph to find him and go get a costume, but he only ends up buying the costume, since Perry was nowhere to be seen.|
|Bloo||Jeffy's Foster Home!||Bloo is a character from Foster's Home for Imaginary Friends. Despite never appearing physically, he was mentioned in Jeffy's Foster Home!, when Brooklyn Guy says that Jeffy needs to go to foster care. He reminds himself of the show, but can't remember Bloo's name. He later remembers it, however.|
|Sonic the Hedgehog||Chicken!||Sonic is a one-time character from the SML Movie, Chicken!.|
Luigi is a minor character in Bowser Juice Infomercial. He first appeared when he found out that his brother, Mario died and then Bowser told him shut up and started beating him up and killing him by burning him. This version of Luigi was thought to be the fake Luigi.
Dory is a minor character who appears in The Fishing Trip!. She appeared when it was revealed that Dory was the fish that Jeffy caught. Because of this, Mario puts Dory back in the water since she's looking for her family in California, which is referencing Finding Dory.
Patrick Star is SpongeBob's best friend and appears in Jeffy Gets Help!. He was seen when Jeffy was watching SpongeBob SquarePants, as he tells SpongeBob that he is sad because he can't get a girlfriend. Jeffy mistakes him for another character, Squidward Tentacles. However, in Alien Jeffy!, he is shown to know that they are two different characters, as he says both his name and Squidward's. A toy of him can also be seen in Jeffy Breaks His Leg! and Jeffy's Yard Sale!
Timmy is a minor character in The Christmas Special!.
His puppet is actually a custom puppet Logan received on his birthday in 2015, it was custom-made to look like him, and was made by the same company that made Jeffy. He is revealed to have to died by Brooklyn who says he choked on the golden Thomas. Despite being a one-time character, he made a cameo in Puppet Closet!.
The Powerpuff Girls are the titular protagonists of the Cartoon Network show, The Powerpuff Girls. They appeared in Forsaken when they stopped Mojo Jojo from his evil plan and then they beat up Mojo Jojo.
Chef Bowser is the alternate version of Bowser in the original SML universe who appears in the first episode of Mario and Luigi's Stupid and Dumb Adventures (season 3). He is Alternate Chef Pee Pee's slave.
He is similar to Chef Pee Pee in the original SML universe.
Alternate Chef Pee Pee
Alternate Chef Pee Pee (or simply Pee Pee) is the alternate version of Chef Pee Pee in the original SML universe who appears as the main antagonist in the first episode of Mario and Luigi's Stupid and Dumb Adventures (season 3). He is most likely the antagonist of the Alternate Dimension.
He is similar to Bowser in the original SML universe.
Harleyyy is the alternate version of Charleyyy in the original SML universe who appears in the first episode of Mario and Luigi's Stupid and Dumb Adventures (season 3). He is Alternate Chef Pee Pee's favourite TV show character.
Alternate Toad is the alternate version of the original Toad in the original SML universe who appears in the first episode of Mario and Luigi's Stupid and Dumb Adventures (season 3).
Unlike the original Toad in the original SML universe, the alternate Toad is a country singer instead of a rapper. He also has a deep voice.
Unlike Black Yoshi, who is a criminal and likes to play Call of Duty, White Yoshi is calm instead of violent and she likes playing Animal Crossing on her Wii instead of Call of Duty since Call of Duty is too violent.
Alternate Shrek is the alternate version of the original Shrek in the original SML universe who appears in the first episode of Mario and Luigi's Stupid and Dumb Adventures (season 3).
Unlike the original Shrek who eats Cheesecake, takes craps and calls Mario donkey, the alternate version of Shrek urinates, calls Mario camel and eats sweet peas.
Alternate Mama Luigi
Alternate Mama Luigi is the alternate version of the original Mama Luigi in the original SML universe who appears in the first episode of Mario and Luigi's Stupid and Dumb Adventures (season 3). He is the star/mascot of Nintendo in the Alternate Dimension.
Unlike the original Mama Luigi who is retarded, the alternate version of Mama Luigi is smart.
Dora the Explorer
Dora the Explorer is a minor character in Mario and Luigi's stupid and dumb adventures episode 2 (season 3). She was seen when Mario traveles to different dimensions as she was trying to find the Map but she did not find him. Then, she falls asleep.
She sounds like Toad since their voices sound the same.
The Map is a minor character in Mario and Luigi's stupid and dumb adventures episode 2 (season 3).
The Evil Cottonball is the antagonist of Bowser Junior's Biggest Fear!.
Timmy's Mom is a minor character in the 2015 Christmas video, The Christmas Special!.
Gary the Snail
Gary the Snail is a minor character in Pokemon Part 3. He appeared when Toad used him as a Pokemon. However, Bowser Junior and Chef Pee Pee said that he is not a real Pokemon. So, Toad realized that Gary is not a real Pokemon, and then he kicks him. He is SpongeBob SquarePants' pet.
Booger is Brooklyn T. Guy's imaginary friend who appears in Jeffy's Imaginary Friend!. The only thing he does is tell Brooklyn Guy that he's "the man" for excessive emotional support, due to everybody else at school making fun of him for picking his nose.
He later killed Bunghole, causing Jeffy to cry.
Bronx DudeBronx Dude was Brooklyn T. Guy's rival, who takes all of his job after Brooklyn T. Guy gets framed for causing a plane crash. He later gets murdered by Brooklyn T. Guy.
Mr. Plane Crash Guy
Mr. Plane Crash Guy was Brooklyn T. Guy's brother. It's mentioned that he died in 2001, which implies that he might have died in the September 11 attacks. It's also possible that he died on American Airlines Flight 587, a plane traveling from New York, that crashed with no survivors, which happened 2 months after 9/11, in which he was the pilot, which some people say that a poorly trained pilot caused the plane to crash.. He was only mentioned in Jeffy's Drone.
Chicago Guy was also Brooklyn T. Guy's brother. He was mentioned in The New House! and made his appearance in Jeffy's Coma! as a cop. Where he gets a call from an unknown person that someone stole the famous bean sculpture from downtown. He thinks it was Chef Pee Pee that stole it, so he drives all the way to his house and while on the way, he spills Hawaiian Punch on his shirt and doesn't want anyone to think that he got shot, it might make him mad. Sometime later, when Chef Pee Pee makes an excuse of thinking that the bean is his mirror, Chicago Guy thinks he is saying the right thing and he likes him. He then leaves the house.
She is a character who first appears in Heartbroken!. She was brought by Bowser Junior when he tried to help Cody find someone else to love, Little is known about her aside from the fact that she likes to eat ants & was kidnapped from the park by Junior.
For more information, see Sharky.
Sharky is a character from Jeffy's Pet Shark!
Sharky is then killed by a bigger shark and later. He got digested After the end of the video.
Patrick's Step-Mom Is a character Who Appear In Black Yoshi's SuperPowers! When Vladimir steals the wallet and He Screaming for steal it the wallet from the purse snatcher She later appears in Jeffy's New Dad! after Patrick yells for her, saying Mario peed on him in a bush.
The CrocodileThe crocodile appeared in Bowser Junior's Broccoli Problem!. He hates being called an alligator and loves eating food (possibly meat as well). He currently lives in Bowser's old apartment as a garbage disposal, I guess they forgot about him when they moved to their new house.
WormyWormy was Junior's pet until he traded Wormy to Jeffy for Pee Pee Suck. He then got Wormy back
The Mighty EagleThe Mighty Eagle is a giant bird that can wipe out or basically skip levels in the Angry Birds franchise. In Black Yoshi and The Birds Episode 7, he killed off the pigs when Big Red threw sardines in front of King Pig.
The Eternal Dragon
At the end of The Lamp, he grants Junior's wish for everything to become normal again.
Tito Brown is a scammer who appeared in Bowser's Dilemma, as a guy who delivers fake pizzas to people to get their money. He gets a phone call from Bowser who wants to get a pizza, Tito goes to Bowser's house and gives him a fake pizza, takes Bowser's money, and runs back to his car, jumping through the car's window, and driving away. When Bowser opens the pizza box he finds a note left by Tito that says, "You suck! Learn to Cook!". He borrowed Koopa's car to deliver the fake pizzas
TylerTyler was the minion in Who Wants To Be A Millionaire? Episode 2 working backstage. He only appeared when Toad was introduced.
Loch Ness Monster
the Loch Ness Monster appeared in the end of The Loch Ness Monster!. It was then nuked
The Scary Rabbit was in Jeffy's nightmare and then Junior's nightmare in Jeffy's Nightmare
the Hammerhead Shark appeared in Bowser Junior's Bubble Bath. They ate Bowser Junior.
Tommy was a employee at Jimmy John's. He appeared in Jeffy Gets a Job!. He gets fired when he 'snitches' on Savannah for stealing money from the drawer, then he angrily stomps out of the of the restaurant.
Mr. Chapman (Known as Archibald P Chapman) was First Mentioned in Bowser Junior's 9th Birthday Which Cody and Joseph Briefly Disguised as Himself when Bowser was Going to Meet Charleyyy at the Gas station.
Dave is a Disney World worker, who notifies Mario that Disney World is closing due to the coronavirus (called "cough-cough" in the video as YouTube discourages those that make videos related due to the topic). According to a close-up on his name tag, he is from Australia, but the part of the nametag that says which part of Australia he's from is unreadable. He appears in Jeffy Goes To Disney World!.