Vad': The Vad'ilious Intoxicationus or Vad' is the liquid inside the actual vat, and is in a symbiotic relationship with the vat, or a "Big Friendship Diagnosed Internally" and anytime the vat talks (or makes noise as we have seen currently), the vat is not actually talking, it's the Vad'! Though the vat has a brain of it's own, and the vat and the Vad' have the same thoughts. Laff: Honestly, we have no idea where this thing came from actually