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