He fathered Einmyria through his first wife Glut, and lost an eating contest to fire.  
This god took the form of a falcon to rescue Idun from Thrymheim, and he was captured by Geirrod in hawk form. It was he who gave Andvaranaut to King Hreidmar.  He fathered Einmyria through his first wife Glut, and lost an eating contest to fire.  Currently tied to a rock where poison drips onto his forehead, among his children are Hel, Fenrir, and the Midgard Serpent.  The mother of Sleipnir, it was he who turned into Thokk and refused to weep for Balder, whose death he caused.  For 10 points, identify this Norse trickster god.
This god took the form of a falcon to rescue Idun from Thrymheim, and he was captured by Geirrod in hawk form.
Loki 