Chorn
From superman.nu: Supermanica
Chorn
The evil leader of the Baxians, a ruthless band of interplanetary conquerors who have seized control of the planet Zoron and forced its peace-loving populace into grueling slave labor. On Zoron, a planet whose alien environment endows Batman and Robin with superpowers identical to Superman's while it renders Superman as powerless as an ordinary mortal, the three heroes combine their talents to defeat Chorn and his cohorts and deliver the Zorians from the yoke of Baxian oppression (WF No. 114, Dec 1960: "Captives of the Space Globes!"). (TGSB)