Vidar

Vidar (pronounced "VEE-dar") is the Norse Aesir God of Vengeance. He is the son of Odin and the giantess Grid.

The Hammer of Thor
While Magnus and his friends are being outmatched by the earth giants, Vidar along with Thor and Heimdall, arrived in time to help them defeat the giants. Later, after the battle, he is shown tending to the wounded.

Trivia

 * His Greco-Roman equivalent is Nemesis/Invidia.
 * Two locations in Norway are named after him.