Joseph Hill "Joss" Whedon (/ˈwiːdən/ WEE-dən; born June 23, 1964) is an American screenwriter, director, producer, comic book writer, and composer. He is best known as the creator of several television series: the supernatural drama Buffy the Vampire Slayer (1997–2003) and its spinoff Angel (1999–2004), the short-lived space Western Firefly (2002), the Internet musical miniseries Dr. Horrible's Sing-Along Blog (2008), the science fiction drama Dollhouse (2009–2010), the Marvel Cinematic Universe...