Jason and Jeffrey are twins who are two of Caillou's friends from playschool. They are identical twin brothers who are of Hispanic descent. They both enjoy eating pizza. Initially, they wore identical clothes. By Season 4, though, Jason began wearing a shirt with inverted colours so it's easier to tell them apart. They are both in Caillou's playschool class. The first episode they appeared in was "New House, New Neighbors".
Jason and Jeffrey has been suggested to play 6 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
