From Fanon Wiki
Mario + Kirby is an action platformer crossover game for Nintendo Switch where Mario and Kirby must save the universe from Dark Matter.
One day Bowser, Bowser Jr, Kamek and the other members of Bowser's army land on Planet Dreamland (More coming).
- Bandana Dee
- King Dedede
- Meta Knight
- Bowser - The Evil King of the Koopas who after teaming up with Dedede in a failed attempt to defeat Mario and Kirby fell under the control of Dark Matter.