I might have some ideas.
An actual fire Mario, goth Peach, Shadow man(Captain falcon) Irom man colored Samus, war machine colored samus, Shadow lady (Zelda), giga bowser pallete bowser, Evil Luigi(just has red iris eyes, slighty darker skin, wears really dark green hat and sweater and hat, and has and that akuma symbol at his back) SMB3 Mario, SMB Mario, and Sonic palette luigi (His just his dark blue color, but his belly is flesh color, and has blue spikes on the back of his head) Magneto coloured Captain falcon, Magneto colored Mewtwo (A red and purple Mewtwo) Spider Man color Samus (Since samus is a woman, it would be more like Spider Woman, or Spider Girl) Symbiote black Yoshi (Will have a venom mouth on his nose but it wouldn't move, it would just be like a sticker) Red symbiote Yoshi (would have carnage's mouth on his nose but just like Black symbiote yoshi) Abyss giga bowser (just a red giga bowswer, with green teeth) Green latern Mario, Flash colored captain falcon.