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