Garfield Lynns, a former special effects and pyrotechnic expert, after a break up and layoff from a woman who could care less about him, took up a life of crime as the villain Firefly, coming into conflict with Batman who has repeately thwarted captured Lynns for his crimes aganist Gotham City. 

Originally played in Batman: The Animated Series by Mark Rolston, for this character, we're going for a hotheaded, narcessitc anarchist with a cocky edge.