Caillou is the main antagonist of the Caillou Gets Grounded series and the protagonist Caillou Gets Ungrounded series and the secondary antagonist of the Dora Gets Grounded series.
Caillou is a smartest and nice and helping/caring 17 year old teenager. He wears a yellow T-shirt, blue shorts, and red shoes. Caillou is much taller than Dora, and much taller and older than his original 4-year-old counterpart in the original Caillou. Usually, he is voiced by David or Ivy.
Though Caillou's age has never been directed mentioned throughout the whole Caillou Gets Ungrounded series, Caillou is presumed to be at least 17 years old, as in Caillou Gets Held Back, it is revealed that Caillou is in 12th grade. If Caillou was 2 and a half when the real series premiered on September 15, 1997, he might have been born on March 15, 1995 and would've been 22, but most users do not use this.
Caillou is a very nice and respectful child. He likes to talk and chat with his parents, mostly to go to Chuck e Cheese's or to get their usual ways. In one episode, Caillou was so good that he got a car ride because he wanted to go to Chuck e Cheese's.
"Caillou Behaves in the Movies"
In this episode, Caillou is seen chatting with his mother to watch Lassie's Great Adventure, but his mother Doris says he can watch it when he gets home after they have to watch Topper from 1937. In the end, Caillou ends up to be ungrounded for a huge number of years for chatting with his mom and being quiet in the movies.
"Caillou Behaves in the Restaurant"
Caillou's love of Chuck e Cheese's is mentioned again, as he asks to the waiter to give his Chuck E. Cheese's Pizza or he could get the pizza that looks like Chuck E. Cheese's. Also, Caillou gets in treasure in this episode for eating his food and sharing.
"Caillou Behaves at S
Caillou shows his very smartest ways by naming the school GoAnimate School, which fools several students, which think the school has something to do with it.
"Caillou Goes to School Instead of Chuck E. Cheese's"
In this short episode, Caillou gets ungrounded "for a million years" because he worked hard at school and got a reward to go to Chuck E. Cheese's to play games. Also, Caillou's obsession with Chuck E. Cheese's is mentioned again in this episode.
"Caillou Goes to Chuck E. Cheese's Again"
In this episode, Caillou and his family get out of his house to go to Chuck E. Cheese's again. He gets obsessed with Chuck E. Cheese's by his parents and gets double ungrounded.