Look at this cute little dog in front of you in our fanart Cute Chihuahua Sticker! It has big eyes, like the Puss in Boots from Shrek 2. This dog is a Mexican breed of toy dog. It is named after the Mexican state of Chihuahua and is among the smallest of all dog breeds in the world. It is usually kept as a companion animal or for shows. But you know, the smaller dog is, the angrier it is. The Chihuahua may demonstrate above-average aggression toward people and other dogs.