His favorite trick was to roll over and play dead. He could do this with quite a bit of flair--seemed to love it when people laughed. So we coupled the trick with the dialogue "would you rather be a Bama fan or a dead dog?" (Yes, I'm an Auburn grad). He'd fall to the floor and fling his feet into the air rather dramatically. He was the class clown in his training classes and loved to learn.
They also were responsible for the random acts of toilet paper roll placement in the house.