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