Ban Mido (美堂蛮, Midō Ban?) is a fictional character in the manga / anime series GetBackers. Known variously as "The Man with the Evil Eye" (邪眼の男, "The Man with the Evil Eye"?) and "The Genius of Battles", he is the "B" in the Get Backers. He is 21 years old in the anime (18 in the manga)

Source: Wikipedia