Toshio Maeda(前田俊夫Maeda Toshio, born 1953) is a controversial erotic manga artist who was most prolific in the 1980s and 90s. Several of Maeda's works have been used as a basis for Original Video Animations (OVA) including the well known La Blue Girl, Adventure Kid, Demon Beast Invasion, Demon Warrior Koji and his most famous work, Urotsukidōji (Legend of the Overfiend). One interviewer commented that Urotsukidōji "firmly placed him in the history books - in Japan and abroad - as the pioneer of the genre known as hentai, or perverted".