Floofcessory (catfinition) – a cat or feline that is not essential in itself but adds to the beauty, convenience, or effectiveness of something else; a cat a person not actually or constructively present but contributing other’s misbehavior.

In use: “The calico seemed demure and innocence, but as floofcessory, she’d leaped up, grabbed the door handle and turned it, effectively answering the question, “Who let the dogs out?””