I'm thinking of making a fanfiction based on the Nintendo Universe that uses enemies from different series. If you approve, I'll make it.
Here are the heroes and villains you'll expect:
Heroes[]
Mario.
Luigi.
Peach.
Daisy.
Toad.
Yoshi.
Donkey Kong.
Diddy Kong.
Dixie Kong.
Link.
Toon Link.
Zelda.
.png "Skull Kid Artwork (Majora's Mask).png (238 KB)")
Skull Kid.
Pikachu.
Mew.
Mewtwo.
Lucario.
Ness.
Lucas.
Kirby.
Meta Knight.
Ice Climbers.
Captain Olimar.
Louie.
.png "Star Fox (1).png (203 KB)")
Fox.
.png "Star Fox (2).png (160 KB)")
Falco.
.png "Star Fox (3).png (145 KB)")
Krystal.
Slippy Toad.
Samus.
Snake.
Pac-Man.
Sonic.
.png "Knuckles (Trading Cards).png (151 KB)")
Knuckles.
Shadow.
Pit.
R.O.B.
Captain Falcon.
Bowser's Sydnacite[]
Bowser.
Bowser Jr.
Dimentio.
Boshi.
Ganondorf.
Vaati.
King K. Rool.
Tiki Tong.
Darkrai.
Pokey Minch.
Dark Pit.
Blood Falcon.
Ridley.
Emporer Bulbax.
Emporess Bulbax.
Dr. Eggman.
Metal Sonic.
Inky, Blinky, Pinky, and Clyde.
Wolf.
Andross.
Master/Crazy Hand.
Mecha Mario.