Joe Chill

Joe Chill in Justice League Unlimited.

Joe Chill is the gunman responisble for murdering Bruce Wayne's parents Thomas and Martha Wayne. He appeared in Justice League Unlimited in Batman's Black Mercy-Induced dream. It does not directly state that his name is Joe Chill, but we can infer from DC Comics that that's who he is. He is voiced by Kevin Conroy, who also voice Batman in the DC Animated Universe.