Gibson isn't your average 5-year-old. He holds the Guinness record as the world's biggest dog! When measured in 2004, this Great Dane was 42 inches from his paws to his shoulders…but his owner, Sandy, says he's grown over an inch since then!
When Gibson is on his hind legs, he's 7'2"—that's an inch taller than NBA all-star Shaquille O'Neal.
Watch the biggest dog's wild ride across the country.
Gibson's life isn't only about being in the spotlight. He knows the importance of giving back, so he volunteers as a licensed therapy dog. "His job is just to go around and make people happy and smile," Sandy says.