Fenris
Fenris son of Loki destined to kill the king of Asgard, Odin. So big he swallows the Sun and Moon whole. He bit of Tyr's Hand when the Gods of Asgard binding him using Gleipenir a thin ribbon made of the footstep of a cat, the roots of a mountain, a woman's beard, the breath of fishes, the sinews of a bear, and a bird's spittle.