Gendo Ikari is the commander of Nerv who is responsible for the research done on the Evas, Rei Ayanami, and the Human Instrumentality Project. He is the father of the Third Child, Shinji Ikari, and the guardian of Rei. His original surname was Rokubungi, but he changed it to Ikari following his marriage to Yui. At the start of the series, he is the only person having an effective connection to Rei. As the series progresses, his unscrupulous past is revealed, as is the intensity with which he loved Yui. It is later revealed that he wished to use the Human Instrumentality Project as a means of reuniting with his wife inside Unit 01, where all human consciousness would be merged into one, with the initiator of the project becoming god-like.