Do you know any satanist classical composer?

Question:Paganini.
From Wikipedia:
Niccolò (or Nicolò) Paganini (October 27, 1782 – May 27, 1840) was an Italian violinist, violist, guitarist, and composer. He is widely considered to be one of, if not the greatest violinist who ever lived. Although nineteenth century Europe had seen several extraordinary violinists, Paganini was the preeminent violin virtuoso of that century—it was rumored by his contemporaries that he had sold his soul to the devil for his unbelievable ability.

http://en.wikipedia.org/wiki/Niccol%C3%B...

Best Answer - Chosen by Asker: Paganini.
From Wikipedia:
Niccolò (or Nicolò) Paganini (October 27, 1782 – May 27, 1840) was an Italian violinist, violist, guitarist, and composer. He is widely considered to be one of, if not the greatest violinist who ever lived. Although nineteenth century Europe had seen several extraordinary violinists, Paganini was the preeminent violin virtuoso of that century—it was rumored by his contemporaries that he had sold his soul to the devil for his unbelievable ability.

http://en.wikipedia.org/wiki/Niccol%C3%B...

Check out Hector Berlioz: Symphonie Fantastique