As "The Hangover III" hits theaters, where we're likely to see another Mike Tyson cameo, take a look at some other celebrities who have made memorable cameos on the big screen.
Mike Tyson – "The Hangover"
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Warner Bros. Television
TV shows are full of fictional college coeds attending usually equally fictional institutions of higher learning. In honor of back to school, study up on some of our favorites.