Killer Croc

Killer Croc (Waylon Jones) is a supervillain appearing in American comic books published by DC Comics. Created by Gerry Conway, Don Newton and Gene Colan, the character was introduced in Batman #357 (March, 1983). He has become one of the most enduring enemies of the superhero Batman and belongs to the collective of adversaries that make up his rogues gallery. In his comic book appearances, Killer Croc is depicted as a former sideshow wrestler who suffers from a rare genetic condition that…Wikipedia