DUPLICATE BOY

Adventure Comics #324

Earliest catalogued appearances of Evolvo Lad, Duplicate Boy, and Gas Girl.

Sep 1964

No listings

Adventure Comics #354

Mar 1967

No listings

Action Comics #381"The Dictator of Earth! / The Hapless Hero"

Oct 1969

No listings

Batman #238"The Masterminds of Crime!"

Jan 1972

No listings

Superboy #200

Earliest catalogued appearances of Dartalon, Aviax, and Quantum Queen.

Jan 1974

No listings

DC Super Stars #3

May 1976

No listings

Superboy #219

Sep 1976

No listings

Tales of the Legion of Super-Heroes #317

Nov 1984

No listings

Who's Who: The Definitive Directory of the DC Universe #7

Earliest catalogued appearance of Fastback.

Sep 1985

No listings

Legion of Super-Heroes #48

Oct 1993

No listings

Legion of Super-Heroes #57"Friends and Foes"

May 1994

No listings

Legion of Super-Heroes #58"Deadly Encounter"

Jun 1994

No listings

Legion of Super-Heroes: Five Years Later Omnibus #2"Volume 2"

Aug 2022

No listings