In Norse mythology, Útgarða-Loki (Anglicized as Utgarda-Loki and in other ways) was the ruler of the castle Útgarðr in Jötunheimr. He was one of the Jötnar and his name means literally "Loki of the Outyards," to distinguish him from Loki, the companion of Thor. Prose Edda According to the Prose Edda book Gylfaginning, Thor, Þjálfi and Loki encounter a giant named Skrýmir ("Big-looking") and then go with him to Útgarðr. They took part in sev… (More on Utgartaloki)