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