Jerome Allen Seinfeld 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. In 2004, Comedy Central named him the 12th-greatest stand-up comedian of all time.

Jerome "Jerry" Seinfeld is the title character and the main protagonist of the American television sitcom Seinfeld (1989–1998). The straight man among his group of friends, this semi-fictionalized version of comedian Jerry Seinfeld was named after, co-created by, and played by Seinfeld himself. The series revolves around Jerry's misadventures with his best friend George Costanza, neighbor Cosmo Kramer, and ex-girlfriend Elaine Benes. He is usually the voice of reason amid his friends' antics and the focal point of the relationship.