• Koich I Kamoshida, Getty Images
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    9. GOHAN AND AOCHAN

    Not only did Aochan the yard-long rat snake play with his food, he befriended it too. The Tokyo Zoo snake became amigos with a hamster, Gochan, that zoo keepers brought him as a snack. Instead of digging in, Aochan introduced himself and allowed the rodent to take a nap on his back. The twosome have been sharing a cage since then. (MSNBC)