Caillou/Bolt

Cast

 * Caillou as Bolt


 * Doris as Mittens


 * Leo as Rhino [Leo and Rhino both have their names ending with "o"]


 * Sarah as Penny


 * Grandma as Penny's Mom


 * Billy as Penny's Father


 * Tai Lung [from Kung Fu Panda] as Dr. Calico


 * Rosie as Young Penny


 * Mr. Washington, Boris, and Merlin [from The Sword in the Stone] as The Pigeons