Yugi

Yugi (遊戯 Yugi), designated as Subject 1 and later Subject 0, is a soldier created by the Evolutionary early on, but went rogue and disappeared. Travelling to Earth-1, Yugi put fighters competing in the Interstellar Tournament under his control to kill the galaxy's greatest fighters, encountering Silver and his friends. Yugi was eventually trapped in the Minus Zone by Silver.

He is the main antagonist of Silver Gaiden: Interstellar.