Clark Kent of Earth-3
From superman.nu: Supermanica
Ultraman of Earth-3's adopted name. Rocketed to Earth from the unexploded Krypton, Clark Kent became the villian Ultraman. JLA #29 (Aug 64)
Ultraman of Earth-3's adopted name. Rocketed to Earth from the unexploded Krypton, Clark Kent became the villian Ultraman. JLA #29 (Aug 64)