Gog researched the Force and created the "Essence Stealer," which would rip out life essences, and store them in a crystal matrix. The essences could then be studied. Gog hoped to remove the life-essence of a Jedi by posting legends of Jedi Knights under the name of ForceFlow to attract Force-sensitive individuals to the space station, Nespis VIII. One such individual was Tash Arranda, the niece of Mammon Hoole.
- Galaxy of Fear: Eaten Alive (First appearance) (ForceFlow and Forceflow)
- Galaxy of Fear: City of the Dead
- Galaxy of Fear: Planet Plague
- Galaxy of Fear: The Nightmare Machine (Forceflow)
- Galaxy of Fear: Ghost of the Jedi
- Galaxy of Fear: Army of Terror