Christmas gift-bringer the leader of the Wild Hunt at the time of Yule. Santa Claus's reindeer has also been compared to Sleipnir, the eight-legged horse of Odin in Norse mythology. Jacob Grimm ("Deutsche Mythologie") traces the threatening or scary companions of Saint Nicholas (such as the Krampus of the Austro-Bavarian dialect region) to Christianized versions of house-spirits (kobolds, elves). After Christianization, the benign mid-winter gift-bringer was associated with the 4th-century Christian Saint Nicholas of Myra. This association took place mainly in the territories of the Holy Roman Empire, including German-speaking Europe, the Low Countries, the Czech lands, Hungary and Slovenia. The basis
Odin birds were originally not simply his battlefield companions but also "Odin's helpers in his veterinary function." Vendel Period helmet plates (from the 6th or 7th century) found in a grave in Sweden depict a helmeted figure holding a spear and a shield while riding a horse, flanked by two birds. The plate has been interpreted as Odin accompanied by two birds; his ravens. Two of the 8th century picture stones from the island of Gotland, Sweden depict eight-legged horses, which are thought by most scholars to depict : the image stone and the Ardre VIII image stone. Both stones feature