Zero (ゼロ) is one of the three main characters of the Mega Man X series, as well as the protagonist of the Mega Man Zero series. He also makes an appearance as Biometal Model Z in the Mega Man ZX series.
A high ranking Maverick Hunter in the X series, and a legendary freedom fighter in the Zero series, he's a die hard warrior who doesn't hesitate to take action. However, behind his cold and emotionless attitude lies a wounded soul.
He was created by Dr. Albert W. Wily during the Mega Man series. As such, his designation is DWN-∞ (Infinity). He has the Maverick Virus contained in a gem inside his head which Sigma smashed the gem, causing the Maverick Virus to infect Sigma. Subsequently, Zero no longer showed any signs of Maverick behavior while Sigma became a Maverick.
