Caillou's a character in a popular children's series of books, which were later turned into a TV series aimed at preschoolers.
Jeannie used to watch it all the time.
Caillou's French for "pebble", I believe. Caillou is bald, hence his name, but his baldness has no apparent reason.
Miranda
Proud adopter of 15 punctuation marks; see my profile for their names.