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