X, a Reploid with unlimited potential. He is a part of the 17th unit of Maverick Hunters, and his job is to put a stop to Mavericks, malfunctioning robots that pose a threat to humanity. However, as capable as he is, his official ranking is usually around B Class, due to his tendency to hesitate. But it's not inexperience, but mercy that stays his hand. He is a pacifist at heart, and only fights to prevent chaos and despair.