A character from the G.I. Joe toy line, comic books, cartoon and live action film series.
Firefly is a mercenary who works for the Cobra Command Terrorist organization as a relentless saboteur. He is an expert in explosives, sabotage, demolitions and Terrorism.
Firefly is portrayed by Ray Stevenson in the 2013 live-action film G.I. Joe: Retaliation .