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