crazy dog mercilessly attacks the mail ! Bubbles is a Shih Tzu that seems normal enough as it waits outside the mail slot, squeaky toy held patiently in mouth. But signs of crazy start to show when the silhouette of the delivery person appears through the door. And full-on canine insanity is unleashed in an explosive, psychotic burst when the mail is pushed through the slot. what's more chilling ? What Bubbles does to the envelope, or how it immediately goes back to behaving like a calm, regular dog after its outburst.