In BuzzFeed Unsolved: Supernatural Season 4 Ancient Aliens contributor Giorgio Tsoukalos was featured in the discussion about a potential UFO sighting.[14] A recurring guest on the show, in person and by mentions is a "Vatican approved exorcist" Father Gary Thomas, who counsels the hosts how to and how not to approach the entities.[2] Ricky Goldsworth, Ryan's serial killer alter ego, sometimes emerges during the episodes.