Captain Marvel Jr. [Freddy Freeman]; evil scientist of the Moon (villains)
Captain Marvel Jr. follows Mt. Polomar Observatory, which has suddenly been torn from its foundation by a huge cable attached to a rocket ship, to the Moon, where he must battle three evil scientists who plan to use its giant telescope to aim huge bombs at Earth.
Captain Marvel Jr. [Freddy Freeman]; Shazam; Queen of Shades (introduction); The Evil One (villain, a ghost)
Learning from Shazam that a disgruntled Pan-like ghost wants to spread evil in the world by killing all the good people, Captain Marvel Jr. is changed by the ancient wizard into a ghost so that he can battle The Evil One.