Hisayuki Toriumi

, sometimes credited as Eikō Toriumi, was a Japanese animation director, storyboardist, screenwriter, and novelist.

He is best known for directing the TV show ''Science Ninja Team Gatchaman'' and also credited for his contributions to several other Tatsunoko Production anime series. He is known to Japanese fans for his TV series ''The Wonderful Adventures of Nils'' and ''Shima Shima Tora no Shimajirō'' and to international fans for his work in ''Area 88'', ''Dallos'', ''The Mysterious Cities of Gold'', and ''Tekkaman: The Space Knight''.

After leaving Tatsunoko, he also became a prolific novelist from the 1980s onward. His representative work is the ''Kyūkei no Figurido'' series, which depicts the adventures and revenge of a man of Murakami Suigun who becomes a battle slave in Europe, where he arrives due to the betrayal of his comrades, set in England and France during the Hundred Years' War and in Japan during the Northern and Southern Courts. Provided by Wikipedia