High Quality Content by WIKIPEDIA articles! Peter Lewis Kingston "Pete" Wentz (born June 5, 1979) is an American musician, best known for being the bassist for the American rock band Fall Out Boy.Wentz was born Peter Lewis Kingston Wentz III, in Wilmette, Illinois, a suburb of Chicago, Illinois. He is the son of Dale Wentz, a high school admissions counselor, and Pete Wentz II, a lawyer. He attended New Trier High School and North Shore Country Day School, where he was an all-state soccer player.During his freshman year of high school, he began skipping school regularly and a school counselor convinced his parents to send him to boot camp to straighten him out. During this time, Wentz began writing songs as a way to vent out his frustrations.