That's one tough-looking chihuahua:
Some background:
The creator or of this awesome, tracked costume created the tank from cardboard, paper clips (for the tracks) and even has a real working weapon. Needless to say, TANK DOG destroyed all the puppy pirates and kitty karate masters at the local Petsmart Howl-o-ween costume contest.
Dish runner-up here. Update from a reader: "Neither comes close to this one."
The Dish 