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.
Coming in at No. 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.
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