Nightwing
Nightwing is a fictional superhero appearing in American comic books published by DC Comics. The character has appeared in various incarnations, with the Nightwing identity most prominently being adopted by Dick Grayson when he moved on from his role as Batman's vigilante partner Robin.
Publication history of Dick Grayson
In order to help himself regain a sense of purpose, Nightwing opted to stay in New York City again, and play the role of the city's protector. He takes on a job as a museum curator; and uses the museum as his new base of operations. During his short time there, Dick finds himself once again confronted with Two-Face, who years ago delivered Dick's greatest defeat. This time however, Dick soundly defeats Two-Face.