Doctor Double X

Doctor Double X (Simon Ecks; originally called Doctor X and Double X) is a supervillain appearing in comics published by DC Comics. He has fought Batman several times in Gotham City.^[1]

Doctor Double X
Doctor Double X as depicted in Detective Comics #316 (June 1963). Art by Sheldon Moldoff and Ira Schnapp.
Publication information
Publisher	DC Comics
First appearance	Detective Comics #261 (November 1958)
Created by	Dave Wood (writer) Sheldon Moldoff (artist) Bob Kane (artist)
In-story information
Alter ego	Dr. Simon Ecks
Species	Metahuman
Notable aliases	Doctor X Double X
Abilities	Projects a double that can fly, generate energy blasts, and has superhuman strength.

Publication history

Doctor Double X first appeared in Detective Comics #261 (November 1958), and was created by writer Dave Wood and artists Bob Kane and Sheldon Moldoff.^[2]

Fictional character biography

Simon Ecks is a scientist who discovers that human auras can be enhanced to function outside of the body. Using this knowledge, he creates an energy clone dubbed Double X and battles Batman and Robin on several occasions.^[3][4][5][6]

In The New 52, Ecks' energy clone is depicted as a Tulpa and is vulnerable to Nth Metal due to being a spirit.^[7][8][6]

Powers and abilities

Doctor Double X's energy-duplicate shares his consciousness, but can also act alone. It also has the powers of flight, super strength, and creating energy blasts, but requires regular infusions of electrical energy to sustain itself or else it will become dormant.

In other media

Television

• Doctor Double X appears in Batman: The Brave and the Bold, voiced by Ron Perlman.^[9]
• Simon Ecks appears in Young Justice: Outsiders, voiced by Troy Baker.^[9] This version is a geneticist and ally of Baron Bedlam who can create multiple clones of himself.

Film

• According to concept art, Doctor Double X was originally planned to appear in The Lego Batman Movie.^[10]
• Doctor Double X makes a non-speaking cameo appearance in Scooby-Doo! & Batman: The Brave and the Bold.^[9]

Miscellaneous

Doctor Double X appears in Justice League Adventures #29.^[11] This version became stranded in "Dimension X", a zone located between space, after stealing a teleportation device from Japanese scientist Ryko. In the present, Double X uses the device to wreak havoc on Earth before the Justice League defeats him and he is imprisoned.

See also

• List of Batman family enemies

References

1. Rovin, Jeff (1987). The Encyclopedia of Supervillains. New York: Facts on File. p. 91. ISBN 0-8160-1356-X.
2. Greenberger, Robert (2008). The Essential Batman Encyclopedia. Del Rey. pp. 113–114. ISBN 9780345501066.
3. • Detective Comics #261
   • Detective Comics #316
   • World's Finest #276
   • Brave and the Bold #194
   • Titans #17
4. Fleisher, Michael L. (1976). The Encyclopedia of Comic Book Heroes, Volume 1: Batman. Macmillan Publishing Co. pp. 193–194. ISBN 0-02-538700-6. Retrieved 13 April 2020.
5. Wells, John (2015). American Comic Book Chronicles: 1960-64. TwoMorrows Publishing. p. 123. ISBN 978-1605490458.
6. Blum, Jeremy (November 2, 2021). "A Silver Age Batman Villain Returns With a Diabolical Twist on His Powers". Comic Book Resources. Retrieved October 26, 2024.
7. Batman: Eternal #16. DC Comics.
8. Batman: Eternal #24. DC Comics.
9. "Dr. Double X Voices (DC Universe)". Behind The Voice Actors. Retrieved May 15, 2024. A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information.
10. "The LEGO Batman Movie Set/CMF Rumors & Discussion".
11. "Justice League Adventures #29 - The Simultaneous Effect (Issue)". Comic Vine. Retrieved June 12, 2024.

External links

• Doctor Double X at DC Comics Wiki
• Doctor Double X at Comic Vine