Arpiron, also called Harpinon, serves under the arch-fiend Magoth. In Mathers' 1898 translation of the Sacred Magic of Abramelin the Mage Arpiron is invoked as part of the text's central work which is the conversation of the Holy Guardian Angel. A.G.H.
Belanger, Michelle. The Dictionary of Demon: Names of the Damneds. Llewellen Publications. 2010. ebook.