In Norse Mythology, Útgarðar (literal meaning: "Outyards"; plural of Útgarðr; the word can be anglicized to Utgard, Utgardar) surround a stronghold of the giants. Norse mythology comprises the indigenous pre-Christian religion, beliefs and Legends of the Scandinavian peoples including those who settled on Iceland The Orthography of the Old Norse language since the introduction of the Latin alphabet in Iceland was varied historically A jötunn, sometimes anglicized as jotun (pronounced yotun is a giant in Norse mythology, a member of a race of nature spirits with superhuman strength They are associated with Útgarða-Loki, a great and devious giant featured in one of the myths concerning Thor and the other Loki who compete in rigged competitions held in the Outyards. In Norse mythology, Útgarða-Loki (Anglicized as Utgarda-Loki and in other ways was the ruler of the castle Útgarðr in Jötunheimr. Thor ( Old Norse: Þórr) is the red-haired and bearded God of Thunder in Germanic paganism and its subset Norse paganism In Cryptography, LOKI89 and LOKI91 are Block ciphers designed as possible replacements for the Data Encryption Standard (DES These outdoor arenas contrast with the putrid, indoor cave where Útgarða-Loki is said to dwell, when chained, in the Gesta Danorum. Gesta Danorum ("Deeds of the Danes" is a work of Danish history by the 12th century author Saxo Grammaticus ("Saxo the Literate"