The Daniff is a hybrid dog, also known as a designer dog. The Daniff is a cross between the Great Dane and the Mastiff. It is not always possible to determine the characteristics, temperament or traits of a mixed breed. You will likely find the Daniff has a combination of the characteristics found in both the Great Dane and the Mastiff.
“His name is Duke Valentine. He is half Great Dane / half Bull Mastiff. In this picture, he is only 10 wks old. He is now 14 wks old and weighs over 36lbs, 18″ tall, and 23″ long.” – Valerie, Chicago, IL