Bruce TimmBruce Timm.

Bruce Walter Timm (born February 5, 1961) is an American artist, animator, writer, producer, and director. He is best known for contributing to building the modern DC Comics animated franchise, most notably as the head producer behind Batman: The Animated Series (1992 to 1995), Superman: The Animated Series (1996 to 2000), The New Batman Adventures (1997 to 1999), Batman Beyond (1999 to 2001), Justice League (2001 to 2004), and Justice League Unlimited (2004 to 2006). He also co-created Freakazoid!