From Everything.Sucks
Anthony Jerome "Spud" Webb (born July 13, 1963) is an American retired professional basketball player. Webb, who played in the National Basketball Association (NBA), is known for winning a Slam Dunk Contest despite being one of the shortest players in NBA history. NBA.com lists him at 5 feet 7 inches (170 cm) tall.
"it's a glitch that Webb can dunk." says "Way2gud" on YouTube video titled "Spud Webb Slam Dunk Contest" 9 years ago:
"I thought when I played NBA 2k11 it's a glitch that Webb can dunk. But now I see it was damn real :O"