Alexander Blake Schwarzenbach (born May 21, 1967) is an American musician. He was the singer and guitarist of Jawbreaker (1988–1996), Jets to Brazil (1997–2003), The Thorns of Life (2008–2009), and forgetters (2009– present). Although experiencing little mainstream success himself, Schwarzenbach and groups he has been a member of have influenced a variety of musical groups.