Chon (sometimes stylized as CHON) is an American math rock band from San Diego, California. Their music is largely instrumental-based with only a few songs containing vocal performances. The band consists of Mario Camarena (guitar), Erick Hansel (guitar), Esiah Camarena (bass) and Nathan Camarena (drums). On November 8, 2015, Chon stated via their Twitter feed that they parted ways with Drew Pelisek due to 'artistic differences'. It was also confirmed by Drew on a personal account.