a) he loves to rub his back under peoples feet. I think he has a foot fetish

b) he tries to open doors with his head - he will run against a door and then BOOM, he doesnt learn that his head does not equal a battering ram

c) he tries to jump UP THE WALL,
usually at 3 am when he see's a phantom object/bug/boogeyman thatn noone else can see, but which is located on the ceiling