The Cavachin is a hybrid between the Cavalier King Charles Spaniel and the Japanese Chin. Country of Origin: The Cavachin originate in the United States of America. Original Purpose: The Cavachin is a designer breed that was developed to be an exceptional family companion.Breed Characteristics: The Cavachin is an alert, independent, loyal, and social breed. The Cavachin is intelligent and easily trainable. The Cavachin gets along well with people and other pets. Life Expectancy: Average life expectancy for the Cavachin is 10 - 13 years.