117 total votes
Firefly

Firefly

Firefly is a fictional character in the G.I. Joe: A Real American Hero universe. He is a mercenary who works for the Cobra Organization as a saboteur. He is portrayed by Ray Stevenson in the 2013 film G.I. Joe: Retaliation.

... more on Wikipedia

Firefly is ranked on...

All of Batman's Deadliest Villains & Enemies, Listed 895.9k views List of all Batman villains and enemies found on this Batman villains list. This list contains all super villains Batman has...
#97 of 239 The Greatest Fictional Assassins & Hitmen 33.5k votes