Jerome Allen Seinfeld ( SYNE-feld; born April 29, 1954) is an American stand-up comedian, actor, writer, and producer. He played a semi-fictionalized version of himself in the sitcom Seinfeld, which he created and wrote with Larry David. The show aired on NBC from 1989 until 1998, becoming one of the most acclaimed and popular sitcoms of all time. As a stand-up comedian, Seinfeld specializes in observational comedy. Wikipedia