He is the guardian god in Norse mythology. He is the son of Odin and nine giant women who nourished him with boar blood. He had a sharp sight, a thin ear and could not sleep for several days. His perception was so extraordinary that he heard the grass grow, which is why he was appointed guardian of the abode of the gods, Asgard, and Bifrost, the rainbow that acts as a bridge to her.

According to Nordic mythology, with a horn called Gjallarhorn, which Odin gave him, he will announce the battle between gods and giants, after which the end of the world, Ragnarök, will come. Heimdal will intervene in the fight, in which he will die at the hands of the god Loki. Although it will be a symbol of Power because it will be the last god to fall in the Ragnarok. A Nordic tradition says that he descended to earth and fathered in three women the three lineages (castes): princes, subjects and servants.