Jerry Seinfeld is widely known for playing himself in the sitcom Seinfeld, which he created and wrote with Larry David. In his stand-up comedy career, Seinfeld specializes in observational comedy, often ranting about relationships and embarrassing social situations.
Seinfeld has cited as his influences the humorist Jean Shepherd, and the comedians Bill Cosby, George Carlin, Jay Leno, Robert Klein, and Abbott and Costello, and the actor Ricardo Montalban. Performers and producers influenced by Seinfeld include Judd Apatow, Kevin Hart, and Dennis Miller.