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