Megumi Hayashibara
Hideaki Anno, director of the animated series, conceived her as a representation of his unconscious. He was also influenced by his readings on psychology, in particular on Freudian psychoanalysis, taking inspiration from Freud's theories on the Oedipus complex. Other influences for its creation include earlier works by Gainax staff members, such as "Aoki Uru". Rei is voiced by Megumi Hayashibara in Japanese, and by Amanda Winn-Lee, Brina Palencia and Ryan Bartley in English.