I had a black cat who was actually quite unusual for his kind: he knew who was boss, and he knew it wasn't him.
Ar-Pharazon, on the other hand, reminds me of many people I've known who think the world exists for their greater glory, and all else (greater powers included) are somehow subservient to their will.
Given that, I choose
++The Black Cat of Queen Beruthiel
He (or she?) was one of a kind.