Dark Faust (ダークファウスト, Dăku Fausut Dark Faust?) was the first of the evil Ultramen created by Dark Zagi to battle Ultraman Nexus. Years ago Nosferu, Dark Mephisto's pet, killed the Saida family including Riko Saida. Mephisto had his loyal agent Dark Faust possess Riko to hide from Ultraman Nexus. Subtitle: Giant of Darkness (闇の巨人, Yami no Kyojin Giant of Darkness?)