Asimiel: A demon in the service of Camuel, the infernal prince of the southeast. Asimiel's name and seal appear in the Ars Theurgia, where he is said to belong to the hours of the night.
Despite his association with the nighttime, Asimiel manifests during the day. He holds the rank of duke and has one hundred lesser spirits to serve him.
Asimiel is also named in the Steganographia of Johannes Trithemius. He has the same rank and affiliations in this work.
SOURCE:
The Dictionary of Demons written by Michelle Belanger