Astro Boy, created by Osamu Tezuka in 1963, is considered the first modern anime and helped to popularize the genre both in Japan and around the world.
The Japanese river otter, once common throughout Japan, is now extinct due to habitat destruction and hunting.
One Piece, created by Eiichiro Oda in 1997, is a popular manga and anime series that follows the adventures of a group of pirates as they search for the ultimate treasure.