Claudio Paul Sanchez III (born March 12, 1978) is an American writer and musician of Puerto Rican and Italian descent best known for being the lead singer and guitarist for the alternative/progressive rock group Coheed and Cambria. He is the creator of the comic book series The Amory Wars, as well as Key of Z and Kill Audio, both co-written with wife Chondra Echert. Sanchez co-authored the novel Year of the Black Rainbow with Peter David.