The world's oldest living dog is Spike, a chihuahua mix from Ohio

Oldest dog living: Chihuahua mix from Ohio claims the record

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Chihuahua from Ohio recognized as the oldest dog in the world - ForumDaily

Chihuahua Spike is world's oldest dog: 'He makes the best of each day

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Spike the Chihuahua mix from Ohio is now the oldest dog in the world at 23 years and 7 days

Chihuahua Spike is world's oldest dog: 'He makes the best of each day

The world's oldest living dog is Spike, a chihuahua mix from Ohio

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Chihuahua named Spike takes Guinness World Record as the world's oldest living dog - YP