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.
It is revealed that Thawne recreated the chemical bath that originally gave Barry his speed, allowing Thawne to lure Barry out of the Speed Force during Final Crisis and, by using that, to create a negative Speed Force, affecting Barry and temporarily turning him into the Black Flash.