Kōhan Kawauchi
Kōhan Kawauchi; February 26, 1920 – April 6, 2008), also known as Yasunori Kawauchi, was a Japanese screenwriter who created various tokusatsu series, including the first, Moonlight Mask, in 1958. He was originally from Hakodate, Hokkaido.
His series Warrior of Love Rainbowman is considered to be an inspiration for Go Nagai's Cutie Honey. Other tokusatsu shows he created include Seven Color Mask and Messenger of Allah. He also wrote the screenplay for Seijun Suzuki's Tokyo Drifter.