Michael Anthony Richards is an American actor and former stand-up comedian. He achieved global recognition for starring as Cosmo Kramer on the NBC television sitcom Seinfeld from 1989 to 1998. He began his career as a stand-up comedian, first entering the national spotlight when he was featured on Billy Crystal's first cable TV special, and went on to become a series regular on ABC's Fridays.

Cosmo Kramer, usually referred to simply by his surname, is a fictional character in the American television sitcom Seinfeld (1989–1998) played by Michael Richards.