During season 1 of Flash, our hero was stalked by the mysterious Reverse-Flash. In fact, it seemed the Reverse-Flash had been trying to kill him since he was a child. After several encounters, the two had what seemed to be their final confrontation. But during SDCC 2015, it was revealed that the character Zoom will appear in season 2, a similarly garbed villain who’s actually “faster than the Flash.” But who is he? What’s the story behind his comic book counterpart?