The Chug is a hybrid between the Chihuahua and the Pug. Country of Origin: Chugs originate in the United States of America. Original Purpose: The Chug is a great family companion. Breed Characteristics: The Chug has a very friendly personality getting along great with the entire family. Chugs tend to be great with children, loving to play and exercise. The Chug is intelligent and very trainable. The Chug has a short coat, curly Pug-like tail with a snout that sticks out like the Chihuahua. Life Expectancy: Average life expectancy for the Chug is 10 - 13 years.