Cartoons/Super Smash Bros. Brawl

Cast
More ideas?
 * Phineas and Ferb as Mario and Luigi (their signature colors are red and green)
 * Perry (from Phineas and Ferb) as Yoshi
 * Isabella Garcia-Shapiro (from Phineas and Ferb) as Peach
 * Buford Van Stomm (from Phineas and Ferb) as Wario
 * Jeremy and Suzy Johnson (from Phineas and Ferb) as Donkey and Diddy Kong (I know Suzy's a girl)
 * SpongeBob SquarePants as Pikachu
 * Rainbow Dash (from My Little Pony: Friendship is Magic) as Sonic (both are blue, fast, and determined)