Currently alive, at 42 years of age.
1979 – Born on June 5th in Wilmette, Illinois. American bassist and primary lyricist for the Chicago-based band Fall Out Boy.
– Owns his own record label, Decaydance Records.
2001 – Became Fall Out Boy’s bassist, vocals, and lyricist.
2004 – Wentz has written a book entitled "The Boy With the Thorn In His Side", which is a story based on nightmares he had as a child.
2006 – He has another book titled "Rainy Day Kids," which was scheduled to be released February 14th, but has been postponed because he was unsatisfied with some of the material.
2007 – Dated Ashlee Simpson.
2008 – Chosen by Diablo Cody to star in his follow-up film "Juno".