I imagine... but they look as if they would cut the blood flow!

well according to what I read of the manga he has been in the labyrinth for 1300 years... but you could make him relatively young species wise and not alone for a change... have him be the equivalent to minor family black sheep who everyone still likes... you know the 19/20year old who wants to live out of his music and not take responsibility for the family business... but still knows that eventually he might have to