Ritsuko Akagi is a prominent character in the anime series 'Neon Genesis Evangelion' (Shin Seiki Evangelion). She serves as the head scientist at NERV, specializing in bioengineering and computer technology. Ritsuko is responsible for the maintenance of the Evangelion units and the MAGI supercomputers. Intelligent, logical, and often emotionally distant, she plays a key role in the complex relationships between the main characters and is deeply involved in the series' overarching mysteries and conspiracies.