Joss Whedon (Creator),

Joss Whedon is an American screenwriter, director, producer, and television series creator best known for creating *Buffy the Vampire Slayer*, *Angel*, and *Firefly*, as well as directing *The Avengers* and *Avengers: Age of Ultron*. He began his career writing for television and film, including work on *Roseanne* and *Toy Story*, and became known for his sharp dialogue and strong ensemble casts.