Peter Lewis Kingston Wentz III (born June 5, 1979) is an American musician, singer, songwriter, A&R consultant, and record executive. He is best known as the bassist for the American rock band Fall Out Boy, since 2001. Before Fall Out Boy, Wentz was a fixture of the Chicago hardcore scene and was the lead singer and songwriter for Arma Angelus, a metalcore band. During Fall Out Boy's hiatus from 2009 to 2012, Wentz formed the experimental, electropop and dubstep group Black Cards. He owns a record label, DCD2 Records, which has signed bands including Panic! at the Disco and Gym Class Heroes.