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