Junk-Yard Demon was a story by Steve Parkhouse and Mike McMahon which appeared in Marvel UK's Doctor Who Monthly Vol 1 58-59 in 1981, pitting the Doctor and scrap dealers Flotsam and Jetsam and their robot, Dutch, against a rogue Cyberman the scrap merchants had collected, mistakenly believing it to be dead. A sequel appeared in Doctor Who Yearbook Vol 1 5.