Lou Scheimer, Emmy award-winning co-founder of Saturday morning cartoon specialists Filmation, died Thursday. He was 84. The producer, composer, and frequent voice actor formed animation studio Filmation in 1962 with Norm Prescott and Hal Sutherland; their first toon was 1963’s Rod Rocket. For DC, Filmation created The New Adventures of Superman cartoon in 1966, followed by The Superman/Aquaman Hour of Adventure, Aquaman, and The Batman/Superman Hour. Filmation’s legacy was primarily carved out in TV animation during the ’70s and ’80s. Scheimer produced or exec produced many of Filmation’s animated properties including He-Man and the Masters of the Universe, She-Ra: Princess of Power, Star Trek: The Animated Series, Ghostbusters, Shazam!, Tarzan, Lord of the Jungle, Flash Gordon, and Bravestarr and performed voice work for, among other characters, Fat Albert‘s Dumb Donald and He-Man‘s King Randor, Stratos, and Orko. In 2003 he received the Annie Award for Special Achievement in Animation.