Kevin Keaton (born August 26, 1963), professionally known by his stage name Special K, is an American old-school hip hop emcee from the Bronx, New York. He was prominent in the late 1970s, throughout the 1980s and early 1990s, and best known as member of the Treacherous Three. He is the younger brother of T La Rock and the older brother of rapper Tony Tone (later known as T.O.N.E.-z) who was a member of the Hip Hop duo Style.