Video game crossovers you'd like to see

Another strange idea? A Kingdom Hearts-like game that combined Capcom and Nicktoons.

Another weird idea: Cartoon Network vs. Nintendo

Characters would be:

Aku (Samurai Jack)

Amethyst (Steven Universe)

Ben Tennyson (Ben 10)

Blossom (Powerpuff Girls)

Brick (Powerpuff Girls)

Bowser (Super Mario)

Bubbles (Powerpuff Girls)

Buttercup (Powerpuff Girls)

Captain Falcon (F-Zero)

Cree (Codename: Kids Next Door)

Dexter (Dexter's Lab)

Dee Dee (Dexter's Lab)

Diddy Kong (Donkey Kong)

Dixie Kong (Donkey Kong)

Donkey Kong (Donkey Kong, duh!)

Falco (Star Fox)

Father (Kids Next Door)

Finn and Jake (Adventure Time)

Fox (Star Fox)

Ganondorf (Legend of Zelda)

Garnet (Steven Universe)

Gilgax (Ben 10)

Grim (Grim Adventures of Billy and Mandy)

Gwen Tennyson (Ben 10)

HIM (Powerpuff Girls)

Ice King (Adventure Time)

King Dedede (Kirby)

King K. Rool (Donkey Kong)

Kirby (well...Kirby)

Krystal (Star Fox)

Link (Legend of Zelda)

Lucario (Pokemon)

Luigi (Super Mario)

Magnus (Kid Icarus)

Mandark (Dexter's Lab)

Major Glory (Dexter's Lab)

Mario (Super Mario, obviously)

Marth (Fire Emblem)

Meta Knight (Kirby)

Mewtwo (Pokemon)

Mojo Jojo (Powerpuff Girls)

Numbuh One (Codename: Kids Next Door)

Numbuh Five (Codename: Kids Next Door)

Palutena (Kid Icarus)

Pearl (Steven Universe)

Pikachu (Pokemon)

Pit (Kid Icarus)

Princess Bubblegum (Adventure Time)

Ridley (Metroid)

Samurai Jack (Samurai Jack, ok I apologize for the "duhs" and "obviouslies")

Samus Aran (Metroid)

Tiny Kong (Donkey Kong)

Zelda (Legend of Zelda)

Wolf (Star Fox)

dang, this post is long.

I also had a weird KH idea where Warner Bros and Namco would make a crossover with Looney Tunes and the Namco Tales series. (Phantasia, Abyss, Symphonia, Xillia, Zestiria, etc)