Tadao Nagahama (長浜 忠夫 Nagahama Tadao) (September 26, 1936 – January 14, 1980) was a director of both puppet shows and animation. He is best known as the director of Toei's Romantic Trilogy, which added human drama to the Super Robot Genre. Nagahama also directed several hit anime series that are still well known among Japanese viewers. Moreover, he produced hits with works of all genres, including sports, comedies, shonen, shojo, and Super Robots. He has been referred to as "the Emperor" in imitation of film director Akira Kurosawa.