2021 Great Dane Puppies Calendar! Large and noble, commonly referred to as a gentle giant or as the Apollo of dogs, The Great Dane certainly holds stature in the dog world. Although he looks terribly imposing (as an adult), in reality he’s one of the best-natured dogs around. For all of his size, a Great Dane is a sweet, affectionate pet. Enjoy our Great Dane Puppy 2021 wall calendar!