"Lieaibolmmai or Leibolmai was the deity for hunting in Sami mythology. He was the ruler of the wild animals in the forests, and the hunters made sacrifices in his honour to obtain good hunting fortune."
Actually Lieaibolmmai usually appears in a form of a bear rather than a reindeer, but reindeer herding and hunting were (and are) still one of the main sources of livelihood for the Sami people, so I thought it would fit. Plus I personally prefer reindeer to bears.
Staedtler pigment liner, Promarkers and Gimp.