One-Time Characters

This page is a list of characters who have had only one speaking appearance throughout the series. Despite only speaking in one episode, they may well have made cameos in other episodes.

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
The Three Military School Students are students of the military 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.

Jacques Pierre François
"For more information, see Jacques Pierre François"

Jacques Pierre François is a character that appeared in Bowser Junior's Painting! as a world famous painting who painted a painting worth millions of dollars. After Bowser Junior paints a painting that rivals him, he challenges him to an art duel and wins by cutting his ear off and putting it on the painting. A picture of him is shown in Jeffy's Parents! and is revealed that he is Jeffy's father and kills himself prior to the reveal and have Jeffy inherit the money when's he's 18. He is also referenced in other videos like Drawing Jeffy! and Jeffy's Brain!.

Mr. Fish
Mr. Fish is a fish that Bowser Junior and Cody asked where Ken was. He responed but was quickly killed by the Killer Whale.

Killer Whale
The Killer Whale is a killer whale with a gun who killed Mr. Fish.

Other Shark
The Other Shark is a character that appeared in The Fishing Trip!. It killed Mario while he was trying to get Jeffy out of the water. It is a different shark because the first shark got killed by Bowser.

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.

Timmy Jenkins
For more information, see Timmy Jenkins.

Timmy Jenkins is a kid that appeared in Finders Keepers!. He is said to have had 67 heart attacks and needs a heart transplant. Although we didn't get to see him physically, we got to see a picture of him. He was declared dead at the end 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.

Mongolians
Mongolians are an Asian race that were mentioned by Jackie Chu in Jeffy Gets Glasses!. He taught his class that they broke down walls in order to get egg rolls.

Jamal
Jamal is the kid used to show to Jeffy that lasik eye surgery dosent hurt and he needs a shirt.

Frank
Frank is a character mentioned in The Fortune Cookies!. He bullied Brooklyn T. Guy in high school and when Brooklyn Guy was delivering pizza to him, he gives it to Bowser Junior instead due to the bullying. Brooklyn T. Guy also has a brother named Frank although they are not the same person.