Shigeru Mura , also known as Shigeru Mizuki , was a Japanese manga artist and historian. He was known for his yōkai manga such as GeGeGe no Kitarō and Akuma-kun, as well as for his war stories based on his own war manga such as Shōwa-shi.

Yōkai are a class of supernatural entities and spirits in Japanese folklore. The word yōkai is composed of two kanji characters that both mean "suspicious, doubtful", and while it may be regarded as a loanword from the Chinese term yaoguai, the word yōkai has taken on multiple different meanings particular to a Japanese context.