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