Chomiell
Chomiell: A demon said only to manifest in the twelfth set of two planetary hours of the day. Chomiell's name and seal appear in the Ars Theurgia. Here he is said to serve Demoriel, the infernal Emperor of the North. Through his service to Demoriel, Chomiell is also affiliated with the north. He is a mighty duke with dominion over one thousand one hundred and forty lesser spirits. This demon also appears in Rudd's Treatise on Angel Magic with the spelling Chomiel.
SOURCE:
The Dictionary of Demons written by Michelle Belanger