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