 However, by the time period in which the series is set, the Earth and Moon seem to have settled into a new physical balance.Earth is reborn as "New Earth", a world of "savagery, super-science, and sorcery" far more chaotic than "Old Earth" (the show's name for the preapocalyptic world).The hero Thundarr (voiced by Robert Ridgely), a muscular warrior, whose companions include Princess Ariel, a formidable young sorceress, and Ookla the Mok traveled the world on horseback, battling mostly evil wizards who combine magical spells with reanimating technologies from the pre-catastrophe world.