Gil Mason
Gil Mason is a deputy police commissioner under the command of Commissioner Gordon. But it was revealed he secretly works for Two-Face. He's the main antagonist of the two-part second season premiere of Batman: The Animated Series, Shadow of the Bat.
Trivia[]
- Gil was the first to discover Batgirl's secret identity as Barbara Gordon, though he would eventually forget it after his head injury in the end of Shadow of the Bat.