Bael

Bael is a demon described in demonological grimoires such as The Lesser Key of Solomon and the Pseudomonarchia Daemonum (where he is the first spirit mentioned) and also in the Dictionnaire Infernal. He is described as a hoarsely-voiced king with the power to make men invisible and ruling over sixty-six legions of demons.
This one took me an afternoon to make, I tried to not overdo the picture and keep it "fresh"