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