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