Crossover Fighters

Story
While Mario, Luigi, Link, Kirby, Sonic, and Megaman are doing their own thing, the bosses are scaring all the Miis and are destroying everything. The Miis run to these characters and ask for help. The Miis team up with other characters and meet new ones on their adventure.

Gamemodes

 * Battle
 * Adventure
 * Minigames & Extras

Consle Gaming

 * Mii (Main Character)
 * Mario
 * Luigi
 * Peach
 * Link
 * Toon Link
 * Kirby
 * Meta Knight
 * Prince Fluff
 * King Dedede
 * Sonic
 * Tails
 * Knuckles
 * Shadow
 * Megaman
 * Zero

PC Gaming:

 * Minecraft Steve
 * Notch
 * Jeb
 * BajanCanadian
 * TF2 Spy
 * TF2 Heavy
 * TF2 Pyro
 * TF2 Scout

Cartoons:

 * Spongebob
 * Patrick
 * Goku
 * Gohan
 * Vegeta
 * Krillin
 * Blossom
 * Bubbles
 * Buttercup

Books:

 * Greg Heffley
 * Rowley Jefferson
 * Rodrick Heffley
 * Nate Wright
 * Francis Pope
 * Teddy Ortiz

Bosses:

 * Bowser
 * (Need idea for "Legend of Zelda" boss)
 * Yin-Yarn
 * Super Metal Sonic
 * Wily
 * Herobrine
 * Headless Horseless Horseman
 * Plankton
 * (Need idea for "Dragon Ball Z" boss)
 * Mojojojo
 * Mutant Moldy Cheese
 * Randy Betancourt

Help Needed!!!
I need more ideas for this idea. Please help in the comments!