These include the Prime Mover, an immortal and omnipotent alien lifeform who has a deal with humanity to prevent their extinction, Ambassador Whreee of the Klegdixal, a paranoid and conniving alien race and oft-time political rival of humanity, Parahexavoctal, chief of security of the entire Gallimaufry, and Buck's uncle and fellow Hoffmanite, Frakkus Godot.