Guðmundr of the sheaf in Norwegian Yule celebrations. According to "Hervarar saga ok Heiðreks", the Norwegians came to see Guðmundr as a god; Höfler argued that in both the wolf-form suggested by "Úlfhéðinn" and the horse-form suggested by "faxi", Guðmundr was a death-demon and his death-horse the prototype of the death-horse Sleipnir portrayed on the Gotland picture stones. Ingemar Nordgren regards the first Guðmundr as "a cult-god" and his son, the Guðmundr of the sagas, as portraying him in theriomorphic form, and suggests that he is either an earlier fertility god who came to be identified with Óðinn and that Glæsisvellir
Horse worship a horse, Arion, which was capable of human speech. This bears some resemblance to the Norse mythology reference to the gender-changing Loki having turned himself into a mare and given birth to Sleipnir, "the greatest of all horses". Tacitus (Germania) mentions the use of white horses for divination by the Germanic tribes: In Gallo-Roman times, the worship of Epona was widespread in the north-western portions of the Roman Empire. The Welsh legend of Rhiannon and the Irish legend of Macha, although first recorded in Christian times, may indicate memories of horse worship. The white horse of Rhiannon is another example