He's got no scars at all, that's just the way the artist draws shadows and hair. I was going to mention that no japanese names just because all my other characters have english names, but that's an intersting name. Do you know japanese?
I also reworked the whole brain thing too (no more Skull Knight), hopefuly you guys are ok with the changes:
I also reworked the whole brain thing too (no more Skull Knight), hopefuly you guys are ok with the changes: