The Japanese giant salamander is one of the world's largest amphibians and is native to Japan's freshwater rivers and streams.

The sika deer is a common species of deer found throughout Japan, and is considered sacred in Japanese Shintoism.

Attack on Titan, created by Hajime Isayama in 2009, is a popular anime and manga series that takes place in a world where humanity lives in fear of giant humanoid creatures known as Titans.