DOCTOR DOUBLE X

Detective Comics #261"The Amazing Dr. Double X"

Earliest catalogued appearance of Doctor Double X.

Nov 1958

No listings

Detective Comics #316"Double Batman Vs. Dr. Double X"

Jun 1963

No listings

The Batman Family #7"13 Points To A Dead End!"

Oct 1976

No listings

World's Finest Comics #276"Double X Means Double Death!; Bedlam in the Big House; "Sting"-ing in the Rain!; Magicians and Mercenaries"

Feb 1982

No listings

The Brave and the Bold #194

Jan 1983

No listings

Who's Who: The Definitive Directory of the DC Universe #6

Aug 1985

No listings

Batman #400"Resurrection Night!"

Oct 1986

No listings

Young Justice #50

Dec 2002

No listings

Young Justice #51

Jan 2003

No listings

Justice League Adventures #29

May 2004

No listings

Batman: Dark Detective #3"Two Faces Have I"

Aug 2005

No listings

Titans #17

Nov 2009

No listings

DCU: Legacies #6

Dec 2010

No listings

Batman Eternal #16"The Monster Machine"

Sep 2014

No listings

Batman Eternal #24"The Spoiler"

Nov 2014

No listings

Batman #36"SuperFriends, Part 1"

Feb 2018

No listings

Teen Titans Go! #27

Jun 2018

No listings

Arkham City: The Order of the World #1

Dec 2021

No listings

The Batman & Scooby-Doo Mysteries #8"Ghost on the Water"

Jan 2022

No listings

Arkham City: The Order of the World #2

Jan 2022

No listings

Arkham City: The Order of the World #3

Feb 2022

No listings

Arkham City: The Order of the World #5

Apr 2022

No listings

Arkham City: The Order of the World #6

May 2022

No listings

Batman / Superman: World's Finest #45

Jan 2026

No listings