For 10 points, name this god who defeated Hrungnir and Geirrod with his hammer, Mjolnir.
He was almost killed by Gjalp and Greip, who after offering him a chair, tried to crush him by pushing him against the ceiling. This man ripped off Arvandil's toe and threw it into the sky, creating a new star. Two of his possessions could reheal themselves unless their bones were damaged, which Roskva did and subsequently became his handmaid. The gods angered him by promising his daughter to Alvis as a wife, but he turned Alvis to stone by keeping him busy until the sun rose. He wears the belt Megingjord and accidentally kicked Lit into Baldur's funeral pyre. His servant Thjalfi defeated a clay monster and his son Magni was the only one who could lift the giant Hrungnir off of him. For 10 points, name this god who defeated Hrungnir and Geirrod with his hammer, Mjolnir.
He was almost killed by Gjalp and Greip, who after offering him a chair, tried to crush him by pushing him against the ceiling.
Thor