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