Jason is a 4 year old who is one of Caillou's friends. He has a twin brother named Jeffery. Jason and Jeffery first appeared in Season 2 in the episode New House, New Neighbors. In the episode Caillou the chef , Jason has a toy spider named Boris. Towards the end of Season 2 he and Jeffery began coming to Caillou's preschool class. In Seasons 2 and 3, he and Jeffery appear to be mischievous and sometimes a little mean to Caillou but, in Season 4, they are nicer to Caillou and more of kind people. He and Jeffrey are both voiced by Camden Angelis.
Appearance[]
Like Jeffery, Jason looked more identical and has a brown skin colour. First, he and Jeffery both wore similar clothes (red shirts with a white stripe and pants) but, in Season 4, Jason began to wear a white shirt with a red stripe and they are now able to be told apart. He has a Spanish accent.
Episodes That Jason Appered[]
- New Kids On The Block (first Apperance)
- Shadow Play! (main roles)
- Winter Mystery (main roles)
- Playschool games
- Something for everyone (main roles)
- Heavy Rain (supporting roles)
- Valentine's Day (supporting roles)
- Caillou the chef (main roles)
- Where I saw it last (main roles)
- A Surprise for Miss Martin (supporting roles)
- Caillou of the Antarctic (main roles)
- Caillou and the Big Slide (supporting roles)
Trivia[]
- Although Jason and Jeffery are twins, they don't appear in all the same episodes. Jason doesn't appear in the episode Garage Sale and Jeffery doesn't appear in A Surprise for Ms. Martin.
| Caillou's Playschool class | ||||||
| Caillou | Clementine | Emma | Jason | Jeffery | Leo | Xavier |