It's kinda personification of a rogue mage, who is going to harras and plunder a party of adventurers in a Dungeons and Dragons campaign I'm creating. Your work is awesome, and now it will give some imagination boost for someone Thanx, really!
See, that's what good with mages. The older they are, the more powerful they get. And then they become liches. Old warriors though? If they don't get a very skillful blacksmith to make an enchanted, light full plate armor for them, they suck ass.
I really like his beard. And he has interesting expression on his face. But I think his feet are bit to large especially if you compare it to the hand with the staff. Maybe it's the shoes or he's been called Bigfoot when he was young and decided to become a wizard and teach them all a lesson.