Giant George stood over 7 feet tall on his hind legs
Giant George, with his owner David Nasser, held the record as the world’s largest dog until this year. He died in his home in Tuscon, Ariz., on Oct. 17, 2013, just before his eighth birthday.© Eduardo Munoz/Reuters
The Great Dane, posing with Boo Boo, once the world’s smallest dog, measured more than 3 feet 5 inches (104 centimetres) from ground to top of his shoulders and 7 feet 3 inches (220 cm) from tail to nose and weighed 245 pounds (111 kilograms).© Eduardo Munoz/Reuters
George was the runt of his litter, according to media reports, but the enormous but gentle beast grew up to consume 180 pounds of food a month. He slept on his own queen-sized mattress.© Eduardo Munoz/Reuters
The new record holder is another Great Dane, Zeus, of Otsego, Mich. The three-year-old measures 44 inches from foot to shoulder. Standing on his hind legs, Zeus measures 7-foot-4.Guinness World Records 2013 Book, Kevin Scott Ramos
Gibson, another former world record holder, was 42.2 inches from floor to shoulder and stood 7-foot-2 on his hind legs. In this photo, Gibson plays with his friend, Zoie, a 7.5-inch-tall Chihuahua.Deanne Fitzmaurice