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
Legged robot Legged robot Legged robots are a type of mobile robot which use mechanical limbs for movement. They are more versatile than wheeled robots and can traverse many different terrains, though these advantages require increased complexity and power consumption. Legged robots often imitate legged animals, such as humans or insects, in an example of biomimicry. Legged robots can be categorized by the number of limbs they use, which determines gaits available. Many-legged robots tend to be more stable, while fewer legs lends itself to greater maneuverability. One-legged, or pogo stick robots use a hopping motion for navigation. In the 1980s, Carnegie