Joss Whedon

Joseph Hill "Joss" Whedon (born June 23, 1964), is an American screenwriter, executive producer, director, occasional composer and actor, and founder of Mutant Enemy Productions. He is best known as the creator and showrunner of the television series Buffy the Vampire Slayer (1997–2003), Angel (1999–2004), and Firefly (2002), which have also seen popular comic book adaptations, published by Dark Horse Comics and IDW.