Prospect is a Puerto Rican Rapper from The Bronx and member of the Terror Squad. He has been on albums from both Big Pun and Fat Joe as well as both Terror Squad albums. He was part of Full a Clips Crew. He was known to be the wackess member of the group accorrding to Fat Joe. It would take him forever to write a rhyme. So he was sound off Terror Squad after the lean back video. Wikipedia
The definitive Wikipedia entry for Prospect. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Prospect_%28rapper%29