Mortos Der Soulstealer, Walk of Doom, Planet Jackers,The Girl who Cried Gnome, The Sad, Sad Tale of Chickenfoot, Dark Harvest, Door to Door, The Most Horrible X-mas, Frycook What Came from All That Space, Backseat Drivers from Beyond the Stars...
Well, the list goes on and on. But I don't think you need to worry about Bloody GIR! Trust me! You can't see him if you are just watching the episode normally. To actually see him you have to slow the episode down frame by frame and look very carefully at the right moment!