Doctor Double X | |
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![]() 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. |
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 first appeared in Detective Comics #261 (November 1958), and was created by writer Dave Wood and artists Bob Kane and Sheldon Moldoff. [2]
Dr. Simon Ecks is a scientist who discovers that human auras can be enhanced to function outside of the body. When Ecks creates an energy-duplicate of himself, his mind becomes dominated by the doppelgänger he names Double X. He battles Batman and Robin. The resulting battle causes Ecks to lose his memory of the experience, after which he is remanded to Arkham Asylum. [3] [4]
Some years later, Ecks regains his memory and develops another duplicator device that enables him to escape from Arkham Asylum. Doctor Double X matches wits once again with Batman. This time, Batman is able to defeat him by building his own machine that generates an energy duplicate of himself. [5] [6]
Doctor Double X later escapes from Arkham Asylum and faces off against Batman and Superman. This time, it takes both Batman and Superman to overcome him. [7]
Doctor Double X once traded opponents with Rainbow Raider after meeting the motivational therapist Professor Andrea Wye. Both of them are defeated by Batman and Flash. [8]
In "The New 52", a reboot of the DC Comics universe, Batwing encounters Simon Ecks in the tunnels beneath Arkham Asylum. While he informs that most of the Arkham Asylum staff was either taken or killed, he warns Batwing to stay back as there is something inside that wants to kill. As a spirit rises from his body and starts to reach towards Batwing, Jim Corrigan shows up and knocks out Ecks, stating that the spirit is a Tulpa. [9] [10]
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.
Doctor Double X appears in Justice League Adventures #29. [13]
A re-envisioned version of the good doctor was last sighted in the pages of DC's 2014 Batman: Eternal series. In that series, Ecks was an Arkham physician who could project a powerful Tulpa from his consciousness.