Hex and all his angsty evil deceitful rageyness.
It doesn't seemlike rage when it comes out,but it hurts like hell.
He has a seemingly polite disposition, but when it gets down to it, he's an utterly cruel piece of work that can genuinely smile while skinning a pup in front of it's mother, just for the hell of tormenting.
It all has to do with his backstory,but that's to come later.