Bjorn had, white skin and dull blue hair, across his body were various dull runes, and scripture in a mixture of dialects and customs, Hinting at a arcanic background. If one is familar with such they'd find the runes and script-lines moving across his entire figure were of Jotun and Draconic. with the occational Nordic symbol. All of them were scripted in a fashion common amongst isejotunen.

If Bjorn was isejotunen, or related in some fashion is hard to say. He clearly dressed the part, wearing skin and fur of Jotun design, occationally his cloth top is replaced with a metal chest plate, with his hanging loincloth kept, to keep him modest.