Heimdall

From Old Norse Heimdallr, derived from Old Norse heimr "home, house" and dallr, possibly meaning "glowing, shining". In Norse mythology he is the god who guards the Bifröst, the bridge that connects Asgard to the other worlds. It is foretold that he will blow the Gjallarhorn to wake the gods for the final battle at the end of the world, Ragnarök. During this battle, he will fight Loki and they will slay one another.