k-os (born Kevin Brereton on February 20, 1972 in Toronto, Canada) is a Canadian rapper, singer, songwriter and record producer of Trinidadian descent. His real name may also be cited as Kheaven, a spelling he adopted later. The alias "k-os" is pronounced "chaos" and is an acronym for "Knowledge of Self," although in a later interview he also said that it stands for "Kheaven's Original Sound." His music incorporates a wide variety of music genres including but not limited to rap, funk, rock, and reggae.