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

Death Note, created by Tsugumi Ohba and Takeshi Obata in 2003, is a popular manga and anime series that follows a high school student who gains the power to kill anyone whose name he writes in a special notebook.

The Great Kanto Earthquake of 1923 caused widespread destruction in Tokyo and killed over 100,000 people.