What was Salvator Gravano 's nickname ?
Joseph Paruta , also known as "" Old Man "" and "" Sammy Gravano 's Personal Luca Brasi "" ( December 3 , 1929 - October 1986 Brooklyn , New York ) was a mobster in the Gambino crime family and considered a " key member " of Sammy Gravano 's Bensonhurst , Brooklyn crew .