27. Captain Cold

Leonard Start began his criminal career like most do: Come up with an evil weapon of evil, aim it a superhero, and see what happens. Well, what happened was said weapon, originally designed to cripple the Flash's super speed, accidentally wound up freezing air molecules instead.

The poor man's Mr. Freeze Captain Cold is not, although we understand why some would and do write him off as such. Get past the stylized parka of doom, and you will see a cold-hearted, murder-motivated baddie. He even managed to survive the 1990s The Flash TV series relatively unscathed, so that has to say something.

But what may speak louder than that resume filler are his contributions to plaguing the Barry Allen Flash and helping kill the Bart Allen Flash. Once he assumed the role of leader for Flash's Rogue's Gallery, Lenny found his thirst for power, money, women and more power becoming all-encompassing, and a bit too much for even his biggest fans to handle. But that's also why we love to hate this villain; he keeps things simple and maintains the pole position as the primary cause of doom for guys named Scarlet Speedster. Not bad for a guy in a parka, huh?