Scientific, closely linked to Gendo Ikari and creator of the MAGI system, used by NERV even bears his brain implanted.His hatred and resentment towards Yui provoke their anger by destroying the "object" that keeps the essence of it, in Rei I. The death of the "container" causes such lack of control in their psyches that ending his life ends with the realization that, no matter the outside, the person you love will never be satisfied with a replacement. Leave everything behind, including her role as mother, to follow the resolution of your obsession as a woman. The internal battle of the three sub-MAGI (women, science, the mother) reflects the fragile humanity in constant dispute with itself.