Multiple Personality Detective PsychoMultiple Personality Detective Psycho.

MPD Psycho, short for Multiple Personality Detective Psycho (Japanese: 多重人格探偵サイコ, Hepburn: Tajū-Jinkaku Tantei Saiko), is a Japanese manga series written by Eiji Ōtsuka and illustrated by Shōu Tajima. MPD Psycho sold more than four million copies in Japan as of 2007. It was originally published by Kadokawa Shoten from 1997 to 2016 and was licensed by Dark Horse Comics in 2007.