Captain Cold, real name Leonard Snart, is a fictional supervillain who appears in comic books published by DC Comics. He was created by John Broome and Carmine Infantino as one of the rogues of Flash. He is a leader of the Rogues. Captain Cold has served as a bitter enemy to the Silver-Age Flash Barry Allen, both enemy and grudging friend to the third Flash Wally West, and one of the killers of the fourth Flash Bart Allen. Leonard Snart was raised by an abusive father and took refuge with his grandfather, who worked in an ice truck. When his grandfather died, Len grew tired of his father's abuse and set out to start a criminal career. Snart joined up with a group of small-time thieves and in planning out a robbery, each was issued a gun and a visor to protect their eyes against the flashes of gunfire. This visor design would later be adapted by Snart into his trademark costume. In recent years he has added a radio receiver to them which picks up the police band to monitor local law enf...