Sonny Geraci (born November 22, 1946, Cleveland, Ohio, USA – died February 5, 2017, Cleveland, Ohio, USA) was an American musician and singer, perhaps best known as the former lead singer of musical groups The Outsiders and Climax. In 1983, Geraci used the pseudonym Peter Emmett and went on to record the album The Peter Emmett Story accompanied in the studio by the original line-up of The Cruisers (minus Donnie Iris).