Would an Angel work? Disguised as a Mortal Human to deal with this incursion of demons and whatnot?
I would love to play a holier-than-thou-I-shalt-smite-thee-foul-heathen-tremble-before-my--most-sacred-lazorbeams Character.
Although he would be rather blind to the issue and would rather burn anything in the way of his execution of orders.