Yasunori Kato

Yasunori Katō
Katō as portrayed by Kyūsaku Shimada in the 1988 adaptation of Teito Monogatari..
First appearance	Teito Monogatari vol. 1 (1985) (Kadokawa Shoten)
Last appearance	The Great Yokai War (2005) (Kadokawa Shoten)
Created by	Hiroshi Aramata
Portrayed by	Kyūsaku Shimada (Tokyo: The Last Megalopolis, Tokyo: The Last War, Doomed Megalopolis) Kazuhiko Nishimura (Teito Monogatari Gaiden) Etsushi Toyokawa (The Great Yokai War) Jeff Winkless (Doomed Megalopolis)

Yasunori Katō (加藤 保憲, Katō Yasunori^?) is a fictional character, the protagonist of the Japanese historical fantasy series Teito Monogatari, created by Hiroshi Aramata. He first appeared in a 1983 issue of a science fiction magazine published by Kadokawa Shoten but gained more widespread attention with successive publications as well as his cinematic debut, and has since gone on to be referenced frequently in Japanese popular culture. His character is generally associated with onmyodo mysticism since Teito Monogatari was the first major novel to popularize the art in Japanese fiction.

In Japanese, he is commonly referenced with the prefix "Majin" (魔人, Majin^?, Demon Man) due to his incredible superhuman abilities and near immortality.

Katō is a supernatural Melmoth the Wanderer-style figure with a mysterious past. He is described as an oni born from the grudge of 2000 years of Japan's hidden history. As his opponent Yasumasa Hirai, the official descendant of the mythical Abe no Seimei and leader of the true onmyoji who serve the Japanese Emperor explains: