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