(You may be looking for Zero (KOF))
Zero is a Maverick Hunter from the Mega Man X game franchise. Zero has also appeared in Capcom's Tatsunoko vs. Capcom and Marvel vs. Capcom fighting games, as well as (after a redesign) his own game franchise, Mega Man Zero.
2D Fighters[]
Zero defeated Mudman in the first round, Galford Weiler in round 2, and Yuki in round 3, but was eliminated by Haohmaru in round 4.
2-Player Duos[]
Mega Man X & Zero were eliminated in the first round by Mace Windu & Kit Fisto
3D Fighters[]
Zero defeated Pikachu in round one, but was eliminated by Sagat in round 2.