Bruce Walter Timm is an American character designer, animator and producer. He is also a writer and artist working in comics, and is known for his contributions building the modern DC Comics animated franchise, the DC Animated Universe. DC Comics Filmography Batman : The Animated Series - Producer & Director & voice of the Mad Bomber Superman : The Animated Series - Producer & Director The New Batman Adventures - Producer & Director Batman Beyond - Producer & Director & the voice of J - Man Justice League - Producer Justice League Unlimited - Producer & the voice of Solomon Grundy Batman : Mask of the Phantasm - Producer & Director Batman Beyond : Return of the Joker - Producer & the voice of a security guard Teen Titans (2000s series) - Producer for seasons 1 and 2 Green Lantern : The Animated Series - Executive Producer Superman : Doomsday - Producer Justice League : The New Frontier - Producer Batman : Gotham Knight - Director & Producer Wonder Woman (2009 Film) - Producer & the voice of Attacker Green Lantern : First Flight - Producer Superman / Batman : Public Enemies - Producer & the voice of Mongul Justice League : Crisis on Two Earths - Producer & the voice of Uncle Super Batman : Under The Red Hood - Producer & the voice of the Riddler Superman / Batman : Apocalypse - Producer All-Star Superman - Producer Green Lantern : Emerald Knights - Producer & the voice of Galius Zed Batman : Year One - Producer Justice League : Doom - the voice of Ace Superman vs. The Elite - Executive Director & the voice of MI-5 Agent Batman : The Dark Knight Returns Part 1 & 2 - Producer & the voice of Thomas Wayne Superman 75th Anniversary Short - Producer with Zack Snyder The Kids Super Power With SHAZAM! - layout artist Tiny Toons Adventures - model designer DC Showcase : Catwoman - executive producer DC Showcase : Superman SHAZAM! : The Return of Black Adam - executive producer DC Showcase : Green Arrow - executive producer DC Showcase : Jonah Hex - executive producer DC Showcase : The Spectre - executive producer Batman : Black & White - artist & writer Lego Batman : The Video Game - writer Lego Batman 2 : DC Super Heroes (video game) - writer Batman : Arkham Asylum (video game) - writer (uncredited) Batman : Arkham City (video game) - writer (uncredited) Batman : Arkham Origins - writer (uncredited) Batman : Strange Days (DC Nation Short) - producer Batman Beyond (DC Nation Short) - producer