The 10 weakest dog breeds in the world 3,Shih Tzu. 4,Pug. 5,Chow chow. 6,Pekingese. 7,Old english shepherd. 8,Great Dane. 9,Basset hound. By nature, this dog breed is relaxed and good-natured. 10,French Bulldog. We all know that frenchie is a fun-loving dog, but the reality is that you need minimal exercise.