Pete Wentz (born Peter Lewis Kingston Wentz III; June 5, 1979) is an American musician, best known for being the bassist and primary lyricist for the American rock band Fall Out Boy. Since the announcement of Fall Out Boy's indefinite hiatus, Wentz has formed the experimental electropop group Black Cards.
Wentz has also ventured into other non-musical projects, including writing, acting, and fashion; in 2005 he founded a clothing company called Clandestine Industries. He also runs a film production company called Bartskull Films, as well as a bar called Angels & Kings. His philanthropic activities include collaborations with Invisible Children and UNICEF's Tap Project, a fundraising project that helps bring clean drinking water to people worldwide. On May 17, 2008, Wentz married Ashlee Simpson.
Wentz was born Peter Lewis Kingston Wentz III, in Wilmette, Illinois, a suburb of Chicago, Illinois. He is the son of Dale, a high school admissions counselor, and Pete Wentz II, an attorney. His parents met while campaigning for now-Vice President Joe Biden in the 1970s.