Characters found in the Masters of the Universe toyline, as well as its various incarnations.
- Heroic Warriorsnote He-Man/Prince Adam, Buzz-Off, Cringer, Dare/He-Ro II, Fisto/Malcolm, Man-At-Arms/Duncan, Man-E-Faces, Mekaneck, Moss Man, Orko, Ram-Man, Roboto, The Sorceress/Teela'Na, Stratos, Teela, King Randor, Queen Marlena, Zoar
- Evil Warriorsnote Skeletor/Keldor, Beast-Man, Clawful, Evil-Lyn/Evelyn Powers, Faker, Mer-Man, Panthor, Scareglow, Stinkor, Trap Jaw, Tri-Klops, Two-Bad, Webstor, Whiplash, minor Skeletor-aligned antagonists
- The Evil Hordenote Horde Prime, Hordak, Imp, Shadow Weaver, Catra, Entrapta, Grizzlor, Leech, Mantenna, Modulok, Scorpia, minor Horde-aligned antagonists
- The Snake Mennote The Unnamed One, King Hiss, Kobra Khan, Rattlor, Snake Face, Sssqueeze, Tung Lashor, Fang-Or
- The Great Rebellionnote She-Ra/Princess Adora, Bow, Glimmer, Castaspella, Cowl, Frosta, Loo-Kee, Madam Razz and Broom, Mermista, Netossa, Perfuma, Spinerella, Swift Wind, Peekablue, Sea Hawk, King Micah, Queen Angella, minor allies
- Ancientsnote King Grayskull, The Faceless One/King Nikolas Powers, Granamyr, He-Ro, Vikar, Wun-Dar, Zodac Zur, Zodak/Kar-Tor
- Galactic Guardians
- Evil Mutants
- Other
Shows with their own character pages;
