TV-Series
Description
Gendo Ikari, born Gendo Rokubungi, is the supreme commander of the special agency Nerv. He is the husband of Yui Ikari and the estranged, emotionally distant father of the protagonist Shinji Ikari.

Standing at 192 centimeters tall, Gendo is a tall, imposing man whose most iconic physical traits are his tinted glasses, which he almost never removes, and his perpetually unzipped uniform jacket. He is almost always seen wearing white gloves, which he uses to hide the severe burns on his hands sustained while rescuing Rei Ayanami from a berserk Evangelion unit. These visual elements serve as a metaphor for his closed-off nature; his glasses represent a barrier he places between himself and others, hiding his true emotions and intentions.

Gendo's personality is defined by a cold, calculating, and ruthless pragmatism. He is a master manipulator and a brilliant strategist who will use any means necessary to achieve his goals, showing little regard for the well-being of those around him, including his own son. He presents himself as a man of few words, his demeanor often described as distant, aloof, and intimidating. However, this exterior masks a deeply wounded and broken individual. The core of Gendo Ikari is not hatred or a lust for power, but a profound and all-consuming grief over the loss of his wife, Yui. His every action is driven by an obsessive desire to be reunited with her, a goal he pursues to the exclusion of all else, including his responsibilities as a father and his own humanity.

His primary motivation is to usurp the secret organization Seele's plan for the Human Instrumentality Project. While Seele intends to use Instrumentality to forcibly evolve humanity into a single, unified consciousness, Gendo plans to hijack the process for his own ends: to reunite with Yui's soul, which is permanently fused inside Evangelion Unit-01. He believes that by triggering his own version of Third Impact, he can shatter the barriers of the heart and be with her once more, demonstrating that his cold ambition is ultimately fueled by a twisted form of love.

In the story, Gendo serves as the primary human antagonist and the orchestrator of the main events. As the commander of Nerv, he is ostensibly responsible for directing the defense of Tokyo-3 against the Angels. In reality, he uses this position to advance his secret agenda, manipulating the battle against the Angels as a means to an end. He summons his son Shinji after years of abandonment specifically to pilot Evangelion Unit-01, exploiting the boy's desperate need for validation to turn him into a tool for his plan. He maintains a facade of loyalty to Seele while secretly working to betray them, turning Nerv into his own personal instrument for godhood.

Gendo's key relationships are almost universally defined by manipulation and emotional distance, yet each reveals a different facet of his character. His relationship with his son Shinji is the most central and tragic. Gendo abandoned Shinji as a young child after Yui's disappearance, believing erroneously that his very presence would only hurt his son. He later uses Shinji as a pilot, treating him as a replaceable asset rather than a son. This coldness is not born of indifference but of a deeply flawed fear of intimacy; he cannot face Shinji because the boy is a living reminder of Yui, the source of his immense pain. In a twisted parallel, both father and son are running away from their emotional suffering. His relationship with Rei Ayanami is in stark contrast to that with his son. He shows her a level of paternal concern and care that he never offers Shinji, even sustaining severe burns to rescue her. This is because Rei is an artificial human created from Yui's genetic material and is intended to be the key to his Instrumentality plan, serving both as a tool and a surrogate for his lost wife. His relationships with the scientists Naoko Akagi and her daughter Ritsuko are purely transactional and exploitative; he seduced both women not out of affection, but to secure their loyalty and expertise for his plans, discarding them when they were no longer useful. His only true confidant is his deputy, Kozo Fuyutsuki, who, despite disapproving of his methods, understands his grief and helps him pursue his goal of reuniting with Yui.

Throughout the original series, Gendo appears static and in complete control, a master puppeteer pulling the strings from behind his desk. However, his development is revealed in the finale, The End of Evangelion. In his ultimate plan to merge Rei with the Angel Adam to trigger Instrumentality, he is betrayed by Rei, who rejects him and chooses Shinji instead. In his final moments, his stoic facade crumbles completely as he faces the consequences of his actions. He confesses his fear of human intimacy and his deep regret for how he treated his son, asking for Shinji's forgiveness just before being devoured by a spectral vision of Eva Unit-01, a final symbolic judgment by the spirit of the wife he could not let go.

Gendo possesses no supernatural abilities in a conventional sense, but his notable abilities are intellectual and strategic. He is a genius-level scientist and a highly adept manipulator and politician, capable of deceiving a powerful global cabal like Seele for years. He also demonstrates significant physical courage and fortitude, as shown when he opens a scorching-hot entry plug with his bare hands to save Rei. As his plan reaches its climax, he takes more direct action, implanting the embryonic first Angel, Adam, into the palm of his hand to serve as a direct catalyst for Instrumentality.