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