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
Sleipnir mentioned in a riddle found in the 13th century legendary saga "Hervarar saga ok Heiðreks", in the 13th-century legendary saga "Völsunga saga" as the ancestor of the horse Grani, and book I of "Gesta Danorum", written in the 12th century by Saxo Grammaticus, contains an episode considered by many scholars to involve Sleipnir. Sleipnir is generally accepted as depicted on two 8th century Gotlandic image stones: the Tjängvide image stone and the Ardre VIII image stone. Scholarly theories have been proposed regarding Sleipnir's potential connection to shamanic practices among the Norse pagans. In modern times, Sleipnir appears in Icelandic folklore