Asael
Asael: In the Book of Enoch, Asael appears as one of the Watcher Angels that chose to walk out of Heaven after swearing a pact with Shemyaza. The Watchers were divided into groups of ten, with each of these groups being led by one of their “chiefs of tens.”
Asael is counted among the chiefs of tens. Asael is also named in Conway's Demonology and Devil-Lore as one of four demons who personify elemental forces. His name may be a variant spelling of Azael. The other demons are Samael, Maccathiel, and Azazel.
SOURCE:
The Dictionary of Demons written by Michelle Belanger