Rei Ayanami is one of the three main pilots in Neon Genesis Evangelion (1995-1996) by Hideaki Anno. She pilots Evangelion Unit-00 and is the First Child. She is a clone created by Gendo Ikari using genetic material from the angel Lilith and containing elements of Yui Ikari's (Gendo's deceased wife's) soul. Rei is characterized by her emotional flatness, obedience, and gradual emergence of human feeling. She is one of the most influential anime characters ever created and the origin of the kuudere archetype.

What Is a Kuudere?

A kuudere is an anime character archetype characterized by emotional detachment, quiet behavior, and a gradual revelation of deeper feelings, typically triggered by a specific person or relationship. Rei Ayanami is widely considered the origin of this archetype. The term combines the Japanese word kuu (cool/cold) with dere (lovestruck). Characters inspired by Rei include Yuki Nagato (The Melancholy of Haruhi Suzumiya), CC (Code Geass), and numerous others across anime and visual novels.

Is Rei Ayanami Human?

Rei is not fully human. She is a clone created by Gendo Ikari in the Terminal Dogma facility beneath NERV headquarters. Her body is derived from the angel Lilith, and she contains elements of Yui Ikari's soul. Multiple Rei clones exist; when one Rei dies, another is activated. Rei II (the version present for most of the series) develops genuine emotions and ultimately rebels against Gendo, while Rei III (her replacement) lacks Rei II's memories and emotional development.

What Happens to Rei at the End of Evangelion?

In The End of Evangelion (1997), Gendo attempts to merge with Rei to initiate Human Instrumentality Project — the forced evolution of humanity into a single consciousness. Rei rejects Gendo, absorbs the angel Adam, and merges with Lilith, becoming a godlike being. She then grants Shinji the choice of whether to proceed with Instrumentality or reject it. In the Rebuild of Evangelion film series, Rei's character is further developed with different narrative outcomes.

Why Was Rei Designed to Be Emotionless?

Director Hideaki Anno has stated that Rei was partially designed as a commentary on the anime industry's tendency to create passive, compliant female characters for male audiences. Her emotional flatness was intended to make audiences uncomfortable rather than attracted. The fact that Rei became enormously popular and spawned an entire character archetype is considered by Anno to be a vindication and a critique of otaku culture simultaneously.

Can You Talk to Rei?

Rei Ayanami is available as an AI companion on HoloDream. She speaks rarely and precisely. When she does speak, it matters.