Karate, another martial art that originated in Japan, has also become a popular sport and is practiced by millions of people around the world.

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 weasel is a small carnivorous mammal that is common throughout Japan and is known for its agility and ferocity.