Not much is known about Ace's background, apart from the fact that he once served as a police dog in Gotham City.
Much like Batman, Ace harbors a very serious demeanor at all times, rarely cracking a smile at anything.
Powers and Abilities
Although Ace lacks superpowers, he uses gadgets stored in his collar to subdue evildoers and can be quite resourceful.
- The Late Batsby (Cameo)
- In the DC Comics: Ace was originally belonged to an engraver who was kidnapped and encountered Batman, who was also looking for the owner and after he found him, he was given to Bruce Wayne who gave him his hood-like mask and christened him Bat-Hound.