Check this shit out:

https://www.everand.com/podcast/418747196/27-Occult-Fan-in-The-Secret-History-of-Twin-Peaks-Du%C3%A6ling-Magicians-Jungian-Archetypes-Mutable-Realities-Extradimensional-Entities-In-this

Dave may have been a Rosicrucian.