Danny O'Keefe

Danny O'Keefe is an American writer and television producer best known for his work on 'Seinfeld,' particularly for writing the episode that introduced the holiday Festivus. The concept of Festivus was inspired by his father's real-life alternative holiday, which has since become a cultural phenomenon, celebrated by fans of the show every December 23rd. O'Keefe's contribution to the series has left a lasting legacy in the realm of television comedy.