Do you want to compare Dr. Sivana with Mephisto? Discover the powers, weakness & weapons of Dr. Sivana and Mephisto from Dr. Sivana Biography and Mephisto Biography. Find out all about Dr. Sivana and Mephisto.# Check out how is Dr. Sivana unique and distinct from Mephisto. Discover their love interest, sidekicks, family tree and the movies and games list in which Dr. Sivana and Mephisto have appeared. Find out everything about them here!