sometimes imposters are more memorable than people who do things the right way, and probably one of the most famous are milli vanilli, the guys who faked it and were not actually singing. also, if you know the name of one boston marathoner from the '80s, is also a person who faked it. >> the first person seen crossing the finish line, rosy ruiz, her win was challenged. >> nobody expected her to win the marathon, but there she was, crossing the finish line, looking tired, even though she barely broke a sweat.