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