Featuring Nyan and two good friends of his: Fatso (Keyboard Cat) and Tartar Sauce (Grumpy Cat)!

Nyan: Happy National Cat Day, my fellow Internet felines!

Fatso: How about a song to celebrate?

Tartar Sauce (keep in mind that she's a girl): How about NOT?

(UPDATE: IM TRYING THIS AGAIN. STUPID GLITCHPAD)