Doctor Double X (originally called Doctor X and Double X) is a supervillain appearing in comics published by DC Comics. He has fought Batman several times in Gotham City.
Doctor Double X (originally called Doctor X and Double X) is a supervillain appearing in comics published by DC Comics. He has fought Batman several times in Gotham City. (en)
Doctor Double X (originally called Doctor X and Double X) is a supervillain appearing in comics published by DC Comics. He has fought Batman several times in Gotham City. (en)