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