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Victor Zsasz (/ˈʒæʃ/ or /ˈzæz/ or /ˈʒɒs/, the last being the original Hungarian pronunciation), also known as Mr. Zsasz or simply Zsasz, is a supervillain appearing in comic books published by DC Comics. The character first appeared in Batman: Shadow of the Bat #1 (June 1992). He is a sadomasochistic and psychopathic serial killer who carves a tally mark onto himself for each of his victims. A recurring adversary of the superhero Batman, Zsasz belongs to the collective of enemies that make up Batman's rogues gallery.