Yoichiro Kawaguchi (河口 洋一郎, Kawaguchi Yoichirō, born 1952 in Tanegashima, Kagoshima) is a Japanese computer graphics artist and professor emeritus at the University of Tokyo.
[1] In 2013, Kawaguchi designed Cosmo, a robot that performs keyboards with a laser.
[2] Cosmo was designed to be one of the members of Squarepusher's virtual band Z-Machines, which was created to promote the alcoholic beverage ZIMA.
They performed their debut piece on 24 June 2013 in Tokyo, Japan.
[4] In the same year he was appointed president of the Digital Content Association of Japan.