Photo: Moment RF
A Chihuahua in Florida has been Named World's Oldest Dog: He's 21 years old. Guinness World Records says TobyKeith of Greenacres won the title after the previous record holder. See his pictures here. His human Gisela Shore says good genes, a healthy diet and a loving home are the secrets to TobyKeith's old age. He also enjoys trips to the park and going for car rides.