John Kricfalusi

John Kricfalusi, also known as John K., was the creator of Ren and Stimpy, a cartoon made for Nickelodeon. He was also a sick motherfucker, and played a minor role in Undertale.

Role in Undertale
John K. appears in Demented Hills, where he is seen being euthanized due to all of his technical fouls.

Trivia

 * Real euthanizing medicine was accidentally used on set, killing John K. during filming. It was kept in the film, because nobody liked him anyways.
 * Despite being a minor role, John K. is seen on the poster for Undertale.
 * He plays a much bigger role in the video game, being a boss in the final Demented Hills level.