Bruce Walter Timm 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 (1992–1995), Superman: The Animated Series (1996–2000), The New Batman Adventures (1997–1999), Batman Beyond (1999–2001), Justice League (2001–2004), and Justice League Unlimited (2004–2006).