humanity This guy just became the world’s oldest cat and his human revealed the secret to his long life (19 photos) By: Alex In: Animals, Heartwarming, Humanity Jun 5, 2018 226 Liked! 34 Disliked 0 1 This is Rubble. The British kitty and his human, Michele Foster, just celebrated his 30th birthday, making him the oldest known living cat in the world. Like this post? 226 Liked! 0