Rosie holding a teacup in her hand
|Age|| Newborn (Big Brother Caillou)|
2 (rest of the series)
|Birthday||October 12, 1998|
|Family||Caillou (Older Brother), Doris (mother), Boris father, Gilbert|
|Born||October 12, 1998|
- Rosie has short orange hair and she wears a blue long-sleeved calf-length dress with a light blue collar and a white sash, diapers in the first two seasons, then frilly blue training panties from season 3 onward (she's now in potty training), red ankle-length socks and blue Mary Jane shoes.
- Rosie tends to cry over everything.
- Calliou usually shows love to Rosie. In the episodes "Halloween" and "Caillou's a Clown", she was scared of clowns, but he was able to convince her to not be afraid of them.
- It is shown in "Olive Muddle" that Rosie likes olives.
- Rosie's favourite song is "Ring Around the Rosie."
- Rosie does not like beans, as shown in the episode "Caillou becomes a waiter".
- Caillou Makes Cookies (debut)
- Big Brother Caillou
- Caillou goes to the zoo
- Caillou Joins the Circus
- Caillou's Teddy Shirt
- Rosie Bothers Caillou
- Caillous a clown
- Caillou's birthday
- Special surprise cake
- Caillou in the bathtub
- Caillou and gilbert
- Raking leaves
- Caillou goes to a theme park
- Olive Muddle
- Caillou's summer goodnight
- Caillou's special friend