The Underground World

"The Underground World" is the sixteenth short film of the 1941 Superman Cartoon series. It was released on June 18, 1943.

Protagonists

 * Superman (Clark Kent)
 * Lois Lane
 * Perry White
 * Professor Henderson

Antagonists

 * Birdmen

Other Characters

 * Professor Henderson's Father

Teams and Organizations

 * Daily Planet

Events

 * Birdmen's Attack

Species

 * Birdmen
 * Humans
 * Kryptonians

Objects and Concepts

 * Clark Kent's Glasses
 * Superman Suit

Locations

 * Earth-F
 * Earth
 * North America
 * United States of America
 * Henderson Caverns
 * Birdmen's Lair
 * Metropolis
 * Manhattan
 * Daily Planet Building