William Donald Payne (May 5, 1964–March 26, 2013) was an American writer and producer. He wrote several episodes of The Simpsons after 2000, many of these with John Frink, whom he met while studying at the University of California, Los Angeles. The duo began their careers writing for the short-lived sitcom Hope and Gloria. Payne later moved into writing feature films, including My Super Ex-Girlfriend (2006), and co-wrote Fantastic Four: Rise of the Silver Surfer (2007), Thor (2011), and its sequel Thor: The Dark World (2013). Payne died from heart failure caused by bone cancer in March 2013.