葛飾區
is a Japanese manga artist from Katsushika, Tokyo. He is best known for his long-running comedy series "", which was continuously published in "Weekly Shōnen Jump" for 40 years from 1976 to 2016. With 1,960 chapters collected into 200 "tankōbon" volumes, it was awarded a Guinness World Record for "Most volumes published for a single manga series" in 2016. By February 2012, the series had sold over 155 million copies, making it one of the best-selling manga series in history.