Osamu Akimoto(秋本 治Akimoto Osamu) is a Japanese manga artist born on December 11, 1952 in Katsushika, Tokyo, Japan. He is best known for his long running series Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo, which has been continuously published in Weekly Shonen Jump since 1976. Currently running over 1600 chapters, it is the longest-running manga series in history, and as of volume 158 the series has sold over 135 million copies.