Fenris, Foe of Valhalla

The son of a demi-god and the giantess, he is the brother of the fabled serpent Jormungand. Fenris is a creature of hunger, rage, and madness. He is bound to halt the power of Thor, Lord of Storms and will stop at nothing to bring the god down. He has been known to work with a Lord of Shadow to succeed in this task. Although Fenris is a powerful spellcaster, he prefers physical violence, using spells only if faced with foes it cannot simply tear apart.