Clown (Joker)

"Thomas Wayne! You get what you've deserve!"

- Joe Chill to Thomas Wayne before murdering him. Joe Chil was a mugger that was resposible for murdering Thomas Wayne and Martha Wayne because of their injustice to Gotham.

Biography
Nothing is known about Joe Chill other than that on the night of the riots, he saw Thomas Wayne, along with his wife and son walking to an empty alley. He managed to block them in the exit and proceed to kill both Thomas Wayne and Martha Wayne. Leaving Bruce a orphan.

Trivia

 * Unlike Joe Chill in the regular DC Universe, he kills Bruce Wayne's parents because of their lying while the one from the comics kills them because he wanted to rob them.