Genpei AkasegawaGenpei Akasegawa.

Katsuhiko Akasegawa (赤瀬川 克彦, Akasegawa Katsuhiko; March 27, 1937, October 26, 2014), known by his pseudonym Genpei Akasegawa (赤瀬川 原平, Akasegawa Genpei), was a Japanese artist and writer. In literary works, he also went by Katsuhiko Otsuji (尾辻 克彦, Otsuji Katsuhiko). A member of the influential artist groups Neo-Dada Organizers and Hi-Red Center, Akasegawa went on to maintain a multi-disciplinary practice throughout his career as an individual artist.