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