Sourpussy is as unpredictable as Choo-Choo Bomb. At any moment she could explode! The best way to ensure Sourpussy stays positive is to let her approach you. If you wake her up from a cat nap or disturb her before he morning stretch - watch out! Despite being unpredictable in nature, she knows what's right and wrong. Even in the worst mood she makes the right decisions to help her friends.