Mr. Crowley

"Mr. Crowley" is a song by English heavy metal singer Ozzy Osbourne, about English occultist Aleister Crowley. Written by Osbourne, guitarist Randy Rhoads and bass guitarist/lyricist Bob Daisley, it was released on Osbourne's debut solo album Blizzard of Ozz in September 1980 in the United Kingdom. A live version was released as a UK single in November 1980. In North America, the studio version was released as a single in 1981.