Jirō Tsunoda (Japanese: つのだじろう Tsunoda Jirō, born 3 July 1936) is a Japanese manga artist. He is known in Japan for his horror manga series such as Kyōfu Shinbun and Ushiro no Hyakutarō as well as illustrator of the karate series Karate Master.
Source: “Jirō Tsunoda”, English Wikipedia (CC BY-SA 4.0), excerpt