Seinfeld was a comedian.
Seinfeld . It was largely written by David and Seinfeld with script writers who included Larry Charles , Peter Mehlman , Gregg Kavet , Carol Leifer , David Mandel , Jeff Schaffer , Steve Koren , Jennifer Crittenden , Tom Gammill , Max Pross , Dan O'Keefe , Charlie Rubin , Marjorie Gross , Alec Berg , Elaine Pope , and Spike Feresten .