Cedric Bixler-Zavala (born November 4, 1974) is an American singer and songwriter. He is the lead singer and lyricist of the progressive rock band The Mars Volta and the only constant member of the post-hardcore group At the Drive-In, for which he is the lead singer and occasional guitarist. He is also the lead singer of the band Antemasque, and sings and plays guitar in his band Zavalaz.