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