Caillou is a character from Caillou. He only watches stuff made by Paramount, Nickelodeon, DHX Media, Cookie Jar, and Warner Brothers.
Voice: Ivy (sometimes David)
Caillou is a troublemaker. He always gets grounded by his parents. His former mother Doris got executed due to her committing murder at Pizza Hut. However, when he's one of the visitors in Warren-Style punishment videos, he reveals himself to be "the good Caillou" when he introduces himself.