Rei Ayanami  

First Child, 綾波 レイ

Ayanami Rei is the main character in the anime series "Neon Genesis Evangelion." She's known as the first child of the Marduk Report and the pilot of EVA-00, a giant humanoid mecha used to fight alien creatures called Angels. Despite her reserved nature and lack of emotional expression, Rei forms a close bond with Nerv commander Ikari Gendou, who she initially distrusts. However, after meeting Shinji Ikari, the protagonist of the series, Rei opens up more emotionally and helps Shinji overcome his own trust issues.