Marvin Nathaniel Webster was an American professional basketball player. He played one season in the American Basketball Association (ABA) and nine in the National Basketball Association (NBA) with the Denver Nuggets (1975–77), Seattle SuperSonics (1977–78), New York Knickerbockers (1978–84) and Milwaukee Bucks (1986–87). His nickname was the Human Eraser because of his impressive shot blocking talent.