Larry David, creator of 'Seinfeld,' 'Enthusiasm,' worth $900M Larry David attends the premiere of the motion picture comedy "Movie 43," at the TCL Chinese Theatre in the Hollywood section of Los Angeles on January 23, 2013. NEW YORK, Aug. 20 (UPI) -- "Seinfeld" co-creators Larry David and Jerry Seinfeld are the richest comedians in the United States, Wealth-X announced Tuesday. David, who also created and starred in the TV show "Curb Your Enthusiasm," has a personal fortune of $900 million, while Seinfeld follows close behind with $800 million. 3 is talk-show host David Letterman with $390 million, followed by comedian-author-actor Bill Cosby at No. 4 with $360 million and actor-producer Adam Sandler at No. 5 with $290 million.