Charnos
Charnos: One of several demons said to serve the infernal prince Aseliel during the hours of the night. In the Ars Theurgia, Charnos is described as a chief president connected with the east through his allegiance to Aseliel. He is said to rule over thirty principal spirits, with another twenty ministering servants at his command.
SOURCE:
The Dictionary of Demons written by Michelle Belanger