Bad (バッド, Baddo), also known by his hero alias Metal Bat (金属バット, Kinzoku Batto), is the S-Class Rank 15 professional hero for the Hero Association. Metal Bat is a young man with black hair styled in a pompadour, and dark eyes that emphasize his hot temper. Metal Bat has a great deal of confidence in himself, stating that he did not care whether a threat is a Demon or Dragon level. Like Saitama, he doesn't care about his rank, and accidentally kills his enemies faster than he intended.