Claudio Paul Sanchez III is an American writer and musician of Puerto Rican and Italian descent best known for being the lead singer, guitarist and primary lyricist 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.