Alvin and the Chipmunks/Powerpuff Girls

Cast

 * Jeanette as Blossom (both are bookworms)
 * Simon as Brick (both are smart)
 * Eleanor as Bubbles (both have pigtails)
 * Theodore as Boomer (both are cute)
 * Brittany as Buttercup (both are tomboys)
 * Alvin as Butch (both are mischievous)
 * Dave as Professor Utonium
 * Vinny as Ms. Keane
 * Ian Hawke as Mojo Jojo