Hades project Zeorymer Extinction
Mild-mannered Masato was genetically engineered to be the perfect  pilot of the Zeorymer robot. Wrenched from his normal high school life, Masato is thrust  into the cockpit . . . and the beginning of a nightmare. Suddenly, a new personality  emerges from Masato’s subconscious, that of the mad scientist who constructed him!  English & Japanese w/English Subtitles "Great Mecha Action" – AnimeOnDVD.com