Sean Sexton Cunningham (born December 1, 1941) is an American film director, producer, and writer. Cunningham is known for creating the Friday the 13th franchise. Out of the 12 films in the series, the ones that had Sean's involvement were Friday the 13th, Jason Goes to Hell: The Final Friday, Jason X, Freddy vs. Jason, and the 2009 reboot. He is the founder and CEO of Crystal Lake Entertainment, which was named after the storied lake in the films.