Alexander Blake Schwarzenbach (born May 21, 1967) is an American musician. He is the singer and guitarist of Jawbreaker (1986–1996; 2017–present), and was also a member of Jets to Brazil (1997–2003), The Thorns of Life (2008–2009), and forgetters (2009– 2013). Although experiencing little mainstream success himself, Schwarzenbach and groups he has been a member of have influenced a variety of musical groups.