Space Sentinels
Space Sentinels was a children’s cartoon produced by Filmation. It ran for one season of 13 episodes in 1977.
In this series, the Greek mythology figures Hercules (voiced by George DiCenzo) and Mercury (voiced by Evan C. Kim) are joined by Astrea (voiced by Dee Timberlake), a character created specifically for the series, to form a superhero team to protect mankind. They are assisted by Mo (Maintenance Operator) – Sentinel One’s robot assistant, voiced by Filmation co-founder and executive producer Lou Scheimer.