Elseworlds crossover Batman/Houdini: The Devil's Workshop. During a seance attended by Bruce Wayne and mystic debunker Harry Houdini, Ace was referred to as Bruce Wayne's childhood pet. In the Elseworlds Frankenstein pastiche Batman: Castle of the Bat, Dr. Bruce Wayne tests his theories by creating a literal Bat-Hound: a dog with some of the attributes of a bat. A version of Ace appears in multiple issues of Tiny Titans, a comic created for younger readers. Ace appears in the alternate universe 'Unkillables' storyline, assisting Jason Todd. Pre-Crisis, Superman's Batman-like identity of Nightwing included a Kandorian counterpart to Ace the Bat-Hound, a telepathic dog named "Nighthound". In other media Television Ace appears in series set in the DC Animated Universe (DCAU), with vocal effects provided by Frank Welker. First appearing in Batman Beyond, this version is a Great Dane mix and Bruce Wayne's pet and guard dog who was originally a puppy involved in an illegal dog-fighting ring who eventually escaped and found Wayne in Crime Alley. After being injured while saving Wayne from a member of the gang Jokerz, Wayne adopted the dog, who became his sole companion in Wayne Manor until Terry McGinnis came into their lives. Ace makes a cameo appearance in the Static Shock episode "Future Shock". Ace appears in Krypto the Superdog, voiced by Scott McNeil. Similarly to Batman, this version employs various gadgets and equipment in his crime-fighting efforts, sees himself as Batman's partner instead of his pet, and battles the pets of Batman's rogues gallery such as the Joker's hyenas, Bud and Lou; the Penguin's Bad News Birds; and Catwoman's pet cat Isis. Additionally, he becomes a member of the Dog Star Patrol later in the series. Ace appears in Batman: The Brave and the Bold, with vocal effects provided by Dee Bradley Baker. Ace appears in the "DC Super-Pets!" segment of DC Nation Shorts, voiced by Diedrich Bader. Ace appears in the Robot Chicken DC Comics Special 2: Villains in Paradise. Ace appears in the Justice League Action episode "Best Day Ever". Ace appears in the DC Super Hero Girls (2019), with vocal effects provided again by Dee Bradley Baker. This version is Barbara Gordon's pet and a retired Gotham City Police Department dog who was originally partnered with Barbara's father Commissioner Gordon. Film The DCAU incarnation of Ace appears in Batman Beyond: Return of the Joker, with vocal effects provided again by