| MEDUSA | ATLAS |
| Created by Sid Gerson and Carmine Infantino |
 |
PLANETARY INFORMATION
Name: Medusa
Space Sector: Unidentified
Dominant Lifeform: Medusans
Prominent Inhabitants: Gollol; Kawak; Meleni
First Appearance: Mystery in Space Vol. 1 #24/4 (February-March 1955): "Duel in the Stars"
Creators: Sid Gerson and Carmine Infantino