Rikdo Koshi

, is a Japanese manga artist, his most notable work being Excel Saga. Rikdo is a graduate of Kyushu Sangyo University and lives in Dazaifu, Fukuoka. His most popular work is Excel Saga, a manga which he describes as a work dealing with the everyday aspects of living in Japan. The anime version of Excel Saga contains stories from the first five volumes of the manga, and even features Rikdo as a character (voiced by Wataru Takagi).