The Leonberger are also known as Leo, Gentle Lion and as Giant Lion are Giant sized dog breed originating from Germany. They are used as working dogs and Guard dog breeds. they grow as tall as 31 inches and weigh as much as 130 to 170 pounds. They have a hard muscular structure and sturdy appearance. Their gait is powerful and ground covering. Their coat is medium and thick helping it protect itself from the cold temperature. They are calm and composed, loving and affectionate towards all other animals and pets. They are attentive, alert and even tempered. They are affectionate towards children.