Superman (Short)

Main Characters

 * Superman (Clark Kent) (first appearance)
 * Daily Planet (first appearance)
 * Lois Lane (first appearance)
 * Perry White (first appearance)

Villains

 * Mad Scientist (first appearance)
 * Mad Scientist's Vulture (first appearance)

Other Characters

 * Clark Kent's Father (first appearance; mentioned)
 * Motorist (first appearance; mentioned)

Teams and Organizations

 * Daily Planet (first appearance)
 * Metropolis Police Department (first appearance; mentioned)

Species

 * Humans (first appearance)
 * Kryptonians (first appearance)
 * Vultures (first appearance)

Objects

 * Clark Kent's Glasses (first appearance)
 * Daily Planet's Plane (first appearance)
 * Electrothanasia-Ray (first appearance)
 * Kryptonian Rocket (first appearance)
 * Superman Suit (first appearance)

Locations

 * Earth-F (first appearance)
 * Earth (first appearance)
 * North America (first appearance)
 * United States (first appearance)
 * Metropolis (first appearance)
 * Daily Planet Office (first appearance)
 * Diamond Bridge (first appearance)
 * Mad Scientist's Hideout (first appearance)
 * Prison (first appearance)
 * Orphanage (first appearance)
 * Krypton (first appearance)
 * Sun (first appearance)