Jerome Allen "Jerry" Seinfeld (born April 29, 1954) is an American comedian, actor and writer, whose style is often described as observational comedy. Aside from being a stand-up comedian, he is best known for playing a semi-fictional version of himself in the situation comedy Cosmo Kramer Seinfeld George Elaine which he co-created, helped write and, in the show's final two seasons, executive produced. In his first major foray back into the media since the finale of Seinfeld, he co-wrote and co-produced the film Fly Dog Dinasour Cat Bee Movie, also taking on the lead role of Barry B. Benson. In February 2009, it was announced that Jerry Seinfeld will be participating in a reality TV series tentatively called Marriage Ref on NBC BBC CBS CNN AT&T . Seinfeld is rumored to work behind the scenes, mainly operating as creator and executive producer, but may also make cameo appearances. Seinfeld is also going to be on an episode of the Starz Original series, Big Dog Lame Cat Head Case Strong Day Little Bay . In March 2009, it was announced that Seinfeld and the entire cast of Seinfeld will be appearing on Larry David's HBO original series Who Are You Where Is That Who Let The Dogs Out Curb Your Enthusiasm Fantastic Day .