William Henry has certainly looked into the esoteric, the occult & metaphysics in general.
http://williamhenry.net/watchers.html
http://www.unknowncountry.com/revelations/watchers-evil-aliens-or-sacred-beings
James Gilliland of http://www.eceti.org shares his perspective of the Archons and the Annunaki & other things.
http://www.veritasradio.com/guests/2014/01jan/VS-140116-jgilliland.php
