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