Sigma

シグマ

Sigma, also known as Commander Sigma or The Commander, serves as the primary antagonist in the Mega Man X series. Designed by Dr. Cain, Sigma was regarded as the most exceptional Reploid and held the position of the first leader of the Maverick Hunters, a group of peacekeeping Reploids tasked with protecting humans from their rogue counterparts. Despite his former honor, Sigma unexpectedly turns Maverick at the start of Mega Man X, rising up against humanity. He joins the Mavericks and takes on the role of their leader. Under Sigma's direction, the Mavericks expand into a legion committed to wiping out the human race.