I definitely agree on the ears: in combination with his eyes, they give your precious the most amazing combination of expressions. And I really like that you catch him in the most unusual situations. More of Sonic Comic!
My cat steals stuffed animals too. I have some "stuffing-less toys" for the dogs to chew on, and the cat will take them, toss them up in the air, try to catch them and then run away like a spaz. Only to repeat the action a few minutes later. It confuses the dogs.