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 Squad Support System was approximately the shape and size of a horse. A stereo vision system, consisting of a pair of stereo cameras mounted into the 'head' of the robot, was integrated alongside a light detecting and ranging (LIDAR) component in order to enable it to follow a human lead and record intelligence gathered through its camera. The initial contract for the Legged Squad Support System was awarded to Boston Dynamics on December 3, 2009. The continued evolution of the BigDog led to the development of the LS3, also known as AlphaDog. The contract schedule called for an operational demonstration of two units