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