||Certified by the Guinness Book of World Records, Gibson is the tallest dog in the world. He speaks, I love you! and has done so on The Oprah Winfrey Show. Gibson has also spoken with Cesar Millan, the famous dog whisperer. He is a comedian and has been on the Tonight Show with Jay Leno. Gibson is one of the most famous dogs in the world today. The Japanese and French are especially fond of Gibson. In his six years, he has been in parades, flown first class, danced with Paris Hilton and shared the stage with Michael Clark Duncan.He speaks with Sandy Hall all the time. She has written his thoughts in this autobiography.Really, Gibson is a regular dog. He was born in Grass Valley, California on the edge of the Sierras. He was the oldest of twelve puppies born to Millennium's Girl and Harley Quinn. Gibson is a Harlequin Great Dane. The Harlequin refers to his black and white patched coat.