Watch Aleister Crowley: The Beast 666 (2007) : Full Movie Online Free Aleister Crowley was the most well known and influential occult magician of modern times. His admirers saw him as the prophet of a new age. His detractors denounced him as a Satanist, a drug addict and a sex maniac. The Great Beast, as he called himself, continues to be an influence on the spiritual world today.