The Demi-Fiend is a playable fighter in Super Smash Bros. World Warriors representing the Shin Megami Tensei franchise. He fights entirely by summoning demons to attack for him. While there are three types of demons that the Demi-Fiend can summon in Nocturne, Light, Dark, and Neutral, Demi-Fiend only summons Neutral demons in this game to symbolize his blank slate in Nocturne for the player to decide.