Dogs are known for being loyal companions -- but we've never met any as faithful as Hachiko, an Akita from Japan who spent 10 years waiting for his master. If you’ve ever seen the canceled-before-its-time (but now revived!) show Futurama, you’ll probably remember Bender, the alcoholic robot; Leela, the beautiful one-eyed captain; and Philip J. Fry, the bumbling pizza delivery boy who was cryogenically frozen for a thousand years before joining the Planet Express intergalactic mail delivery team. But do you remember Fry’s loyal, loving dog, who waited for his master until the end of his life? If you didn’t...