Kool Keith
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Keith Thornton, better known by his stage name Kool Keith, is an American rapper from The Bronx, New York. A founding member of Ultramagnetic MCs, Kool Keith has recorded prolifically both as a solo artist and in group collaborations. Kool Keith is the self-proclaimed inventor of horrorcore, and is generally considered to be one of hip-hop's most eccentric and unusual personalities.
source: Wikipedia