the sid-victims would have been interesting but i have to say those puppet strings everywhere seem plenty creepy! also, i think you'd have been well justified in recasting most of your reluctant playtesters in the name of (mad) science.
...and now i'm smitten with the image of one "tall" character loaded down with doll people like some sort of adventure opossum. and adjacent to "the little wars of hopsberry manor" (or is that too much? :D )!