1. Stare with the exact same expression whether you're looking at nothing or an axe-murderer.

2. Wait till your human lays out their clothes and decide this would be the perfect place to take a nap.
3. Race through the house, hair on end and stop in an attack pose. Then walk of nonchalantly. Repeat as necessary.
4. Play with invisible objects.
5. Wait till your human is asleep and jump up and start kneading any available body parts.
6. Figure 8 your humans legs while they are walking around the kitchen cooking something you won't get a bite of.
7. Before your human gets out of their bed, make sure your napping in the bathroom doorway.
8. Leave gifts of small animal body parts in your human's shoes. Then wait to be praised. Stalk off if not rewarded for your gift.
9. If you absolutely have to go to the vet, cling to your human's head, howl at the top of your lungs, and spew hairballs on the vet.
10. Wait till your human is eating, then jump on the table and shed.
11. Using the litterbox at your human's mealtimes can be great fun.