Loki: Loki is Odin's adopted son, and the brother of Thor. The son of the Frost GiantLaufey, Loki has never felt truly accepted by his family, and has waged war on both Asgard and Earth to win their respect.
Heimdall: The far-seeing Heimdall is the keeper of the rainbow bridge. Bifrost, and controls all passage between Asgard and the other realms. He is also a fierce warrior, and defends his post with an unbridled fury.