Sleipnir is the eight legged horse of Odin. The child of the union between Loki and the stallion, Svaðilfari, Sleipnir carries Odin across bifrost, the rainbow bridge that leads to Asgard, and is described in the prose Edda as being the best of the horses belonging to the Aesir.
The fact that Sleipnir has eight legs is clearly intended t...