原哲夫
, known by the pen names and , is a Japanese manga writer. Making his debut in 1972, he first found success with the hardboiled detective manga series "Doberman Deka" (1975–1979) alongside illustrator Shinji Hiramatsu. He is best-known for creating the post-apocalyptic martial arts series "Fist of the North Star" (1983–1988) with artist Tetsuo Hara, which is one of the best-selling manga in history with over 100 million copies in circulation. He has since worked with Ryoichi Ikegami on several series, including "Heat" (1998–2004), which won the 2002 Shogakukan Manga Award for general manga.