Kool Keith, is an American rapper from The Bronx known for his surreal, abstract and often profane or incomprehensible lyrics. Kool Keith has recorded prolifically both as a solo artist and in group collaborations. After being part of the legendary hip hop formation Ultramagnetic MC's he debuted in 1996 as a profound solo artist. He is generally considered to be one of hip-hop's most eccentric and unusual personalities.

By the big audience Kool Keith is mostly known as the voice of the number Smack My Bitch Up' by the Prodigy, a fragment used without his consent.

Black Elvis/Lost in Space is the fourth studio album by mc Kool Keith, but recorded under the alias of Black Elvis. This is the first album performed under this alias.