Leondoodle (AKA Leonberger) is a giant mix breed of the Newfoundland, Saint Bernard, and the Great Pyrenees. This breed’s appearance is very muscular. Leondoodle has a friendly, calm, and loving personality, and it makes a great and loyal family dog. They tend to protect their human family. This breed is very playful and trustworthy. They usually get along well with other dogs and pets. They have a moderate energy level, but daily walks are required for them. They also like swimming and hiking. The average weight of the Leondoodle is 100 to 170 pounds, and its size is 25 to 32 inches.