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.
In DC's Tangent Comics, Reverse Flash is an evil, holographic duplicate of Lia Nelson (the Flash) created by a sinister government agency. She was charged with negative ionic energy to disperse Flash's photon-based form. The Flash's light-wave powers outmatched Reverse-Flash's, and she was destroyed.