Asphiel
Asphiel: A chief president said to serve the prince Aseliel during the hours of the night. Asphiel's name and seal appear in the Ars Theurgia. According to this text, he rules over thirty principal spirits and twenty ministering servants. He is part of the hierarchy of the east due to his allegiance to Aseliel.
SOURCE:
The Dictionary of Demons written by Michelle Belanger