One night you're sleeping in your bed when you hear your window open and something thudding on the floor of your bedroom you then you feel something touching your cheek, something like a paw, when you open your eyes you see a black cat with black horns, she laughs maniacally which turns into coughs and she vogue up a hair ball

Devil cat: "Greetings mortal I am the one and only, Beelzebub! Mwah ha ha!"

She starts coughing again and coughs up another hair ball

Devil cat: "Ew gross......."