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