The dog is named Giant George, owner David Nasser from Tucson, US
If there is a portion of your comment that the drawing results of photoshop is actually also not so wrong because the image was created by photographer presented to show how high the Giant George is at the moment The Dog! Fashion.
The Giant George is indeed really Giant ... because of his height reached 43 inches (109 cm) high when standing and reaching 7ft 3inch (221 cm).
ok lets see how bigger the dog:
