"Mr Crowley" is a song by British heavy metal vocalist Ozzy Osbourne. The song was written by Osbourne, guitarist Randy Rhoads, and bass guitarist/lyricist Bob Daisley.The song was inspired by a book about Aleister Crowley which Osbourne had read and a deck of tarot cards that were found in the studio as recording of the album was commencing. Crowley was an English occultist and ceremonial magician who had founded the Thelemite religion in the early 20th century.
Ozzy Osbourne - Mr. Crowley: Aleister Crowley was an influential English occultist, mystic, ceremonial magician, poet and mountaineer, who was responsible for founding the religious philosophy of Thelema. In his role as the founder of the Thelemite philosophy, he came to see himself as the prophet who was entrusted with informing humanity that it was entering the new Aeon of Horus in the early 20th century.