THINKER

All-Flash #12

Earliest catalogued appearance of Thinker.

Jul 1943

No listings

All-Flash #14

Jan 1944

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Action Comics #70"Superman Takes a Holiday"

Mar 1944

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All-Flash #27

Feb 1947

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Detective Comics #125"The Citadel of Crime"

Jul 1947

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Comic Cavalcade #22

Aug 1947

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All-Star Comics #37"The Injustice Society of the World!"

Oct 1947

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Comic Cavalcade #23

Oct 1947

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All-Flash #32

Earliest catalogued appearance of Fiddler.

Dec 1947

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The Flash #123"Flash of Two Worlds!"

Sep 1961

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The Atom #29

Mar 1967

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The Flash #229"The Rag Doll Runs Wild!; Half a Green Lantern Is Better Than None!; Secret of the Handicapped Boys; The Man Who Wore Ten Hats!; The Secret City; The Girl From The Super-Fast Dimension!;"

Oct 1974

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All-Star Comics #66

Jun 1977

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Wonder Woman #274"One Super Villain: Made to Order!"

Dec 1980

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Wonder Woman #275"Claws of the Cheetah!"

Jan 1981

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Wonder Woman #276"Seek the Serpent...Find Death!"

Feb 1981

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Who's Who: The Definitive Directory of the DC Universe #23

Earliest catalogued appearance of Peter Cannon, Thunderbolt.

Jan 1987

No listings

The Doom Patrol and Suicide Squad Special #1

Feb 1988

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Firestorm #98

Jun 1990

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Firestorm #99

Jul 1990

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Secret Origins #50

Aug 1990

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The Shade #3

Jun 1997

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Flash #134

Feb 1998

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JLA: The Nail #2

Sep 1998

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Flash #161

Jun 2000

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Flash #166

Nov 2000

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JSA #16

Nov 2000

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Flash #167

Dec 2000

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JSA #17

Dec 2000

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Golden Age Secret Files #1

Feb 2001

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The Flash Secret Files #3

Earliest catalogued appearance of Hunter Zolomon.

Nov 2001

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Flash #184

May 2002

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Flash #185

Jun 2002

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Flash #186

Jul 2002

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Flash #187

Aug 2002

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JSA: Classified #5

Jan 2006

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JSA: Classified #6

Feb 2006

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Checkmate #9

Feb 2007

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Checkmate #10

Mar 2007

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Checkmate #11

Apr 2007

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Checkmate #12

May 2007

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Checkmate #13

Jun 2007

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Outsiders #47

Jul 2007

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Checkmate #14

Jul 2007

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Outsiders #48

Aug 2007

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Checkmate #15

Aug 2007

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The All New Atom #12

Aug 2007

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Outsiders #49

Sep 2007

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Checkmate #16

Sep 2007

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Checkmate #17

Oct 2007

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Checkmate #18

Nov 2007

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Checkmate #19

Dec 2007

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Checkmate #23

Mar 2008

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Checkmate #24

May 2008

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Checkmate #25

Jun 2008

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DC Special: Cyborg #5

Nov 2008

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DC Special: Cyborg #6

Dec 2008

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Final Crisis: Resist #1

Dec 2008

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The Great Ten #3"Book Three: The Jewel In The Lotus"

Mar 2010

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Flashpoint: The Legion of Doom #3"Streets of Fire"

Oct 2011

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Suicide Squad #24

Dec 2013

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Suicide Squad #25

Jan 2014

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Suicide Squad #26

Feb 2014

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Suicide Squad #29

May 2014

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The Multiversity #1

Earliest catalogued appearance of Aquawoman.

Oct 2014

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The Multiversity: Ultra Comics #1

May 2015

No listings

The Flash: Fastest Man Alive #8"Rain On Your Own Parade; Cold Case"

Jun 2020

No listings

Task Force Z #10"Chapter 10"

Sep 2022

No listings

DC vs. Vampires #8

Oct 2022

No listings

DC Power: A Celebration #1"Black Paradise; Separate But Equal; The Queen, the Bee & the Symphony; Keeping the Peace; Own Your Name; Booyah; Vixen & Batwing; The Cavalry; Far Sector Preview"

Mar 2023

No listings