User blog comment:Pikart767/SSF2 Mods (Requests and Downloads)/@comment-28356198-20160430214834/@comment-26523805-20160501023327

Alright,

Mario, Peach, Yoshi, Link, Zelda/Sheik, Kirby, Meta Knight, Wario, Sonic, Tails, Mega Man, Fox, Donkey Kong, Pikachu, Jigglypuff, Chibi Robo, Samus, Zero Suit Samus, Ness, Captain Falcon, Sora, Lloyd, Bomberman, Naruto, Ichigo, Goku, and Marth.

Though Isaac (Golden Sun), Luigi, Bowser, Sandbag, and Mr. Game and Watch are coming in the next update.