貞本義行：日本著名的動畫製作人、漫畫傢。畢業後加入GAINAX發展。曾經擔任《不思議之海的娜丁亞》、《王立宇宙軍～奧米內菲斯之翼～》 等名作的人物設計和作畫監督。之後擔任《新世紀福音戰士EVA》的人物設計極受好評，更因《EVA》的超人氣好評而倍受矚目。現專注於《新世紀福音戰士EVA》的漫畫連載。2006年07月15日，擔任《穿越時空的少女》 劇場版動畫的人物設定，將日本著名的小說傢筒井康隆的同名小說——《穿越時空的少女》搬上銀幕，並受到一緻好評。2009年8月擔任瞭《夏日大作戰》劇場版動畫的人物設定。

Japan's most controversial anime series is over...but not the manga version of Neon Genesis Evangelion Series co-creator Yoshiyuki Sadamoto's personal interpretation of the Evangelion characters and story is sure to intrigue new and old fans alike. In 2015, the "Angels" have returned, and Shinji Ikari, a fourteen year-old child of the new Earth, is forced by his father Gendo-commander of the secret organization NERV-to pilot the monstrous biomechanical weapon called "Evangelion" to match the Angels' fearsome power. As a carrier fleet steams towards Japan carrying a mysterious embryonic form linked to the true origins of the human race, a hurricane is about to blow down Shinji's momentary peace: the wind through the red hair of Asuka Langley Soryu, the new Eva pilot arriving in Tokyo-3...One of the founding members of Gainax, Japan's most progressive anime studio, Evangelion's Yoshiyuki Sadamoto was also the character designer for their recent Adult Swim smash FLCL. EVA Vol. 4 contains a Japanese sound FX glossary plus a special bonus interview with the voice of Asuka, Battle Royale's Yuko Miyamura