Arpiron: Also known as Harpinon, this demon is said to serve beneath the arch-demon Magoth.
Arpiron appears in the Sacred Magic of Abramelin the Mage translated in 1898 by the Occultist Samuel Liddell MacGregor Mathers.
He is invoked as part of the Holy Guardian Angel working that is central to that text.
SOURCE:
The Dictionary of Demons written by Michelle Belanger