Made for a homebrew D&D campaign by our DM, the void sheep is a strange creature. Made of oil, the main noise it makes is to repeat whatever is said in their presence, and slowly drop words until they have found the creepiest sentence possible from the available words they started with. I've been making one for each of our party as while some of them dislike the void sheep in-game, they love the plushie version. Personally, I like both.