Gangbuster is a super-hero and vigilante in the Suicide Slum area of Metropolis, making him an ally to Superman. In his civilian identity he is a teacher, although his expertise in boxing and martial arts allows him to tackle gang violence. He began wearing a costume to fight crime so he could protect his students. His identity has also been used by a brainwashed Superman, a criminal impostor named Ishmael working for Tobias Whale, and the niece of the original named Rebekah. Gangbuster was created by Marv Wolfman and Jerry Ordway, first appearing in Adventures of Superman #428. (1987)