A Very Pyoko Adventure

You punish it. Since it didn't do anything, it immediately assumes that you are punishing it simply for existing.

It takes the lesson from this experience that it is perfectly okay to beat defenseless things for no reason, and so, it wanders off into the darkness, finds a gigantic hammer, and crushes your skull with it.

It then spends the rest of its life trying to kill a barrel-tossing monkey.