Neon Genesis Evangelion , also known simply as Evangelion or Eva, is a Japanese mecha anime television series produced by Gainax, animated by Tatsunoko, and directed by Hideaki Anno. It was broadcast on TV Tokyo from October 1995 to March 1996. Evangelion is set fifteen years after a worldwide cataclysm called the Second Impact, particularly in the futuristic fortified city of Tokyo-3. The protagonist is Shinji Ikari, a teenage boy recruited by his father Gendo to the mysterious organization Nerv to pilot a giant biomechanical mecha called an Evangelion and fight against beings known as Angels.

Gainax Co., Ltd. is a Japanese anime studio famous for productions such as Neon Genesis Evangelion, Royal Space Force, Gunbuster, Nadia: The Secret of Blue Water, Kare Kano, FLCL, Magical Shopping Arcade Abenobashi, and Gurren Lagann, which have garnered critical acclaim and commercial success. Evangelion has reportedly grossed over ¥150 billion, or approximately US$1.2 billion. In a discussion at the 2006 Tekkoshocon, Matt Greenfield claimed that Evangelion had grossed over US$2 billion; Takeda reiterated in 2002 that "It sold record numbers of laserdiscs in Japan, and the DVD is still selling well today", as well as for their association with award-winning anime director and studio co-founder Hideaki Anno. The company is headquartered in Koganei, Tokyo.