- "Now it's your duty here in Tokyo-3. Ritsuko Akagi, The truth is the only hope to protect the galaxy from Queen Beryl's vile blasphemy. You are the chief scientist of NERV, and follow Misato, and her troops to get our pilots to control Evangelion, and protect the Earth in one piece."
- —Diana Cavendish to Ritsuko Akagi about the fate of the earth from the hands of enemies.
Ritsuko Akagi is a Human female chief scientist of NERV, who was responsible for research and development of all Evangelion. She works at the NERV, in efforts to see the tactical computer to identify enemies, predominantly Angels. She is involved in repairs, maintenance, and construction of Tokyo-3's defenses and battlefield properties. She participate in battle against the Dark Universal Empire's armed forces, and then confronts her nemesis, Keel Lorenz, the Chairman of SEELE.