Doctor Albert W. Wily (Ｄｒ．アルバート・Ｗ・ワイリー Dokutā Arubāto W Wairī), known simply as Dr. Wily or just Wily, is the main antagonist of the original Mega Man series, appearing in almost all games, and the overarching antagonist of the Mega Man X series. He is a human scientist and both primary rival to Doctor Thomas Light and arch-nemesis to Mega Man. He aspires to conquer the world with his robot army lead by his Robot Masters, though he is always defeated by Mega Man.