Korean Mastiff - Koreans call options available . of dog as the Dosa gae. German mastiff - this is also referred to the Great dane dog. The Standard Poodle is the largest on the Poodle breeds. The dignified poodle is actually one for this world's smartest dogs. This breed became popular after 1930 as consider the 63 the breed, which starred in the Wizard of Oz. (Toto).