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