Brian K. VaughanBrian K. Vaughan (; born July 17, 1976) is an American writer and producer. He is best known for the comic book series Y: The Last Man, Ex Machina, Runaways, Pride of Baghdad, Saga, and Paper Girls.
Vaughan was a writer, story editor, and producer of the television series Lost during seasons three through five. He was nominated for a Writers Guild of America Award for Best Dramatic Series at the Writers Guild of America Awards 2008 for his work on the fourth season. The writing staff was nominated for the award again at the Writers Guild of America Awards 2009 ceremony for their work on the fifth season.