For 10 points, name this Norse trickster god.
In the guise of a hawk, this god was held in a wooden chest by Geirrod. This god had to give up Andvari's ring to cover up the body of Otter, a dwarf he accidentally killed. He assumed the guise of a falcon after Thiazzi persuaded him to steal Idunn's golden apples. In the Hudsdrapa, this god battles Heimdall in seal form, and another poem sees him hurl insults at a feast given by Aegir. After the death Narfi, Skadi bound this figure with Narfi's entrails underneath dripping snake poison, and earthquakes occur when this god's wife Sigyn doesn't catch the poison. He fathered Hel with Angrboda, and he is also the father of Fenrir. For 10 points, name this Norse trickster god.
In the guise of a hawk, this god was held in a wooden chest by Geirrod.
Loki