Vile, known as VAVA (ヴァヴァ) in Japan, is a major antagonist in the Mega Man X series. He used to be a member of the Maverick Hunters prior to the first Mega Man X game and was ranked S-A Class in Sigma's 17th Elite Unit prior to his commander's rebellion against humanity. He appeared in multiple games of the series as a boss character and was playable for the first time in Maverick Hunter X, a remake of the first game for the PlayStation Portable.