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