John Mayhew was a millionaire who founded the Club of Heroes and later joined the Black Glove. Mayhew originally intended to use the worlds various "Batmen" to form a group similar to the Justice League, albeit with no powers. After the Club failed, though, he was persuaded by Simon Hurt to join the Black Glove. Becoming a part of it, Mayhew bet on the Black Glove to kill the Club, as his bet failed, the old gambler Hurt in turn killed Mayhew.