Killer Croc

Killer Croc (Waylon Jones) is a fictional character appearing in American comic books published by DC Comics. Created by Gerry Conway, Don Newton and Gene Colan, the character was introduced in Detective Comics #523 (February 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. Killer Croc is a former sideshow wrestler who has a rare genetic condition that gives him a reptilian appearance and superhuman strength.