Sleipnir is what happened when the Norse got Loki gave birth to an eight-legged horse. This is him in a Native-American-style.
Vote for this design on the 25th if you like it (click "I want this" under the 'favorites' button).
You should also check out my other Sleipnir design.
By the way, if you like my art, you can see some other t-shirt designs I have done here: [link]