- Memetic Mutation: "It is pitch black. You are likely to be eaten by a grue."
- Grues are a fad among Uncyclopedia.
- "Want some rye?"
- "Course you do!"
- Fridge Horror: If you live in the Zork World, if you step into any darkness you'll risk being eaten by a grue. Meaning every single waking (And sleeping) second of your entire life, you have to have some form of light nearby. No matter where you are, whether it's a basement, or a hotel room, no light? You're dead. If your candle burns away while you sleep, you're dead. If the power goes out during a storm, you're dead... etc...