Pictures & videos of the world's cutest animal, the otter.The Vancouver Aquarium recently posted a Nyac tribute video on YouTube.From The Vancouver Aquarium: Nyac one of the two famous otter-holding-hands YouTube stars and long-time resident of the Vancouver Aquarium died on September 23, 2008. She was one of the last surviving sea otters from the 1989 Exxon Valdez oil spill. Nyac came to the Vanc