Grey-skinned alien, Captain Radu is responsible for the upkeep of the Beacon that rests in the shadow of Olympus Mons. As the leader of a desolate fortress outpost, Radu captains the conscription army of Queen Mara against the horde of moth-vampires that would spread their bloodsucking death across the land. The wandering Bigfoot and Bagworm find themselves drafted into his regimen after initially escaping from Lord Jeoffa’s grasp.