A term coined from the Greek words [symbol omitted]Î»Î· (matter) and Î¼Î¿ÏÏÎ® (form) and used to designate the Aristotelian-scholastic teaching that all natural or physical bodies are composed of matter and form as essential substantial principles.
Originally, the Rogues were just a few of the Flash's enemies teaming together, but since then they have formed a lasting team, and usually a Rogue will not commit a crime by himself. The original eight Rogues were Captain Cold, Mirror Master, Heat Wave, Weather Wizard, Trickster, Pied Piper, Top, and Captain Boomerang.
The Black Flash fulfills the role of Death for those who possess super-speed, returning them to the source of their powers: the Speed Force. It was reportedly seen before the deaths of Barry Allen and Johnny Quick; Max Mercury, having had several near-death experiences, also saw the Black Flash.