Chugs can have different looks, depending on the parents. But, if you’re trying to identify one on the street, it's not too hard: They look pretty much like Pugs crossed with Chihuahuas. The Chug has a small and sturdy frame covered in a short coat. Its face has those familiar Pug wrinkles, but the snout is slightly longer-like the Chihuahua. It has sturdy legs, erect ears that tend to hang forward, and a curled tail.

Chihuahua pug, or Chug, is not a breed of dogs, but a hybrid of a chihuahua and a pug. Therefore these half-bred dogs have inherited the main features of character and appearance from both types of dog. What are these basic features and how are they combined in a chug dog?
Chugs have a more graceful appearance than pugs. They are not so large as pugs, but bigger than chihuahuas. The body of a chihuahua pug looks no more like a cask, and the muzzle has become more elongate. On the ears, the tail and the breast there has appeared a fluff typical for chihuahua. Some chugs have inherited long hair all over the body from chihuahuas. Chihuahua pugs’ ears are neither small nor big and may also be embellished with fuzz. The tail is not so curled as the pugs’ one and it also has long hair. The amount of possible colors has increased, and some of the dogs may combine various colors, which makes them very attractive.

As you may notice the characters of chihuahua and pug are similar. Both breeds are considered to be nice friends to people. Therefore the nature of chihuahua pugs has no discordant features. Chugs are very friendly, lively, joyful, and on the whole, they turn out to be very nice tiny dogs that combine charm of the two popular dog breeds