Super Smash Brothers: Cartoon Chaos

Super Smash Bros.: Cartoon Chaos is a Japanese-American action role-playing fighting game developed by Nintendo. The game includes characters from various video games, cartoons and movies.

Plot
Spongebob finds a gem that can make you the most popular cartoon in the world, but the cartoons got fooled by the gem trap and now, gumball, the only survivor, has to save his friends from the gem.

Gameplay
You can play as either one of the Smashers, a cartoon character, or you can create your own custom character.