Peter Lewis Kingston Wentz III (born June 5, 1979) is an American musician who is the bassist and lyricist for the rock band Fall Out Boy. Before the band's formation in 2001, 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.
