Heimdallr or Heimdall

Heimdall is the guardian of Asgard and the bearer of the horn Gjallarhorn. He also had magical hearing, sight, and foresight. He will blow his great horn at the start of Ragnarok
“Rig” is another name associated with Heimdall. In the Rigsthula, a part of the Poetic Edda, Heimdall (as Rig) fathers the ancestors of the three societal classes in the Norse world, symbolizing the creation of societal hierarchy.