Raven tattoo. Love the intricate concept of this design, not so much on the actual drawing / positioning but on a bird in a different pose it could be cool.
Norse Symbols - we have something really cool for Norse fans - http://teespring.com/go-to-valhalla
9 noble virtues
valknut - Google Search
Valknut. I really like this and think it would be a sick tattoo on the inner wrist.