Batman: Shadow of the Bat is a comic book series featuring Batman, published by DC Comics. The series ran for 96 issues, from 1992 to 2000. The stories took place in Batman's then-current continuity along with Detective Comics and Batman, in contrast to Batman: Legends of the Dark Knight, which focused on Batman's early years. Batman: Shadow of the Bat looked into the psyche of the various cast members of the Batman comics. It was also notable for introducing the villain Victor Zsasz into the Batman mythos.

Victor Zsasz, 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. 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.