One-Time Characters

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.

Robot Chef Pee Pee
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 reveled 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
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.

They also appear in a flashback in Bowser Junior Goes To Military School! Part 2.



Mr. Fish
Mr. Fish is a fish that Bowser Junior and Cody asked where Ken was.

He responded but was quickly killed by the Killer Whale.



Scooter
For more information, see Scooter.

Scooter is a character that appears in Jeffy's Clone! when Jeffy makes him in the clone machine.

Scooter is killed by Bowser Junior by a nerf gun.



The Nerd
The Nerd was the main antagonist of Nerd and Bully's until The Bully appears as the antagonist of the video.



Clone Bowser Junior
For more information, see Clone Bowser Junior.

Clone Bowser Junior was Bowser Junior's clone in Jeffy's Clone! and was killed a minute after he was made by the cloning machine.



Debra
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.

2 years later, she was mentioned in Bowser Junior's Game Night 6. She was also mentioned several times in Jeffy Gets Glasses! and a picture was shown of her revealing she's not African-American.



Pool Shark
The Pool Shark is a minor character in Sunken!.

He thinks that he is bad at pool even though he is not bad at pool.



Unnamed Cop
The Unnamed Cop is a character from Jeffy's Sleepover!. He calls in Brooklyn T. Guy that there is a shooting at a gas station.

He calls again and tells him that officers are getting shoot when Brooklyn Guy and Jeffy are having a pillow fight so Brooklyn Guy pretends to be dead.

It is possible he got shoot because he didn't answer at the end of the video. He was never physically seen but his voice is heard.

Cheez-It Kid
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
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
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
For more information, see Katy.

Katy is Cody's sister that appeared in Cody's Sister!. She is similar to Cody as she dates her Barbie doll like Cody dates his Ken which are both objects and she has disorders too like Cody.

Bowser Junior and Joseph had a crush on her at first which Cody didn't like but ended at the end of the video.

Jeffy Junior
For more information, see Jeffy Junior.

Jeffy Junior is Jeffy's son that appeared in Jeffy Has Kids!. When he was born, he was abused by Jeffy most of the time.

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
''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!.

He also might've had a mustache before he died because when Bowser Junior made a fake id for himself in Bowser Junior's Lottery Ticket! which included a mustache, Joseph said it looked like him.

Bowser's Dad
Bowser's Dad is a mentioned character in SuperMarioLogan.

His appearance is unknown since he is only mentioned although it is assumed he is elderly since his wife Margaret is. It is revealed that he's dead in Bowser's Mom.

Penguin
The penguin is a character that appears in Chef Pee Pee The Octopus!.

He helps Cody get Chef Pee Pee back to his normal self. He also makes a cameo in Chef Pee Pee's New Job!.

Killer Whale
The Killer Whale appears as a minor villain in Sunken.

He is the one who killed Mr. Fish.

Other Shark
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
Mario's Emotions appear as minor characters in Inside Jeffy.

They appear at the end of the video.

Jerry
Jerry is a minor character in Jeffy's Bad Christmas.

Jimmy (human)
Jimmy is a character who briefly appeared in Stuck! when he electrocutes Doofy The Dragon.

Money Thief
The Money Thief is a villain in Jeffy's Piggy Bank!.

Bumble 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
The Hot Dog Man is a character who appears in Jeffy Sneaks Out!.

The Bully
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
The Sea Monster was a character in Sunken.



Bullet Bill
Bullet Bill is one of the antagonists of The Warp Pipe!.

He, along with The Piranah Plant, Hammer Bro and Thwomp appear when they kill Mario and Bowser Junior.



Hammer Bro
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.



Thwomp
Thwomp is a minor antagonist of The Warp Pipe!.



Rabbid
The Rabbid is a minor character in Bowser Junior's Pet!.

It appeared when it became Junior's pet and it was making messes. After that, it was possibly killed by a hammer that Bowser used.



Jeffy Salesman
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
The Lime Green-Cock-A-Doodle Tweet Tweet is a character from Jeffy's Haircut!.



Q*bert
Q*bert is a minor character in Black Yoshi's Mistake!.



Mario (Bowser Juice Informercial)
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.

This version of Mario was thought to be the fake Mario.

Luigi (Bowser Juice Informercial)
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.

Dory
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
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.

He sounds like Goodman because their voices both sound the same.



Timmy (human)
Timmy is a minor character in The Christmas Special!.

The puppet is an early version of Jeffy.



Powerpuff Girls
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.

Jumpscare Girl
The Jumpscare Girl is a cameo character in Mario's Nightmare. She originated from the movie, The Excorsist and appears at the end of the video to give the viewers a jumpscare.



Chef Bowser
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 is the alternate version of Chef Pee Pee in the original SML universe who appears 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
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
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.

White Yoshi
White Yoshi is the alternate version of Black Yoshi 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 white version of Black Yoshi.

Unlike Black Yoshi, who is a criminal and likes to play Call of Duty, White Yoshi is calm instead of violent and he likes playing Animal Crossing on his Wii instead of Call of Duty since Call of Duty is too violent.



Alternate Shrek
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 takes pees, calls Mario camel and eats sweat 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
The Map is a minor character in Mario and Luigi's stupid and dumb adventures episode 2 (season 3).



Evil Cottonball
The Evil Cottonball is the antagonist of Bowser Junior's Biggest Fear!.