Captain Cold

Captain Cold (Leonard Snart) is a supervillain appearing in American comic books published by DC Comics. Created by John Broome and Carmine Infantino, the character first appeared in Showcase #8 (June 1957). In his comic book appearances, Captain Cold is depicted as an adversary of various superheroes known as the Flash, most notably Barry Allen, and serves as the leader of the Rogues, a loose criminal association. In The New 52 continuity reboot, Captain Cold and his team live by a code that forbids killing.