Doctor Double X

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Doctor Double X
Detective Comics 316.jpg
Doctor Double X and Batman in Detective Comics #316.
Publication information
Publisher DC Comics
First appearance Detective Comics #261 (November 1958)
Created by Dave Wood, Sheldon Moldoff, Bob Kane
In-story information
Alter ego Dr. Simon Ecks
Team affiliations Rainbow Raider
Abilities Symbiotic energy-made duplicate that can fly, generate energy blats, and has superhuman strength

Doctor Double X (originally called Doctor X and Double X) is a fictional character in the DC Comics universe. The character is a supervillain who has fought the Batman and Robin several times in Gotham City. Doctor Double X made his first appearance in the pages of Detective Comics #261 (November 1958), in a story titled The Amazing Dr. Double X, by writer Dave Wood and artist Sheldon Moldoff.[1]

Fictional character biography[edit]

Dr. Simon Ecks discovered that human auras could be enhanced to function outside of the body. When Ecks created an energy-duplicate of himself, the introverted scientist's unstable mind became dominated by the doppelgänger he named Double X. The villain fought the Batman several times, only to be returned to Arkham Asylum time and again. Once, he traded opponents with Flash foe Rainbow Raider.

Doctor Double X was later seen as a guest at the San Francisco sci-fi convention.[2]

Powers and abilities[edit]

Doctor Double X's energy-duplicate shares the consciousness of Simon Ecks, but can also act alone. The duplicate's powers of flight, energy blasts, and super strength have at times required Batman to seek help in defeating the villain. Double X requires regular infusions of electrical energy to sustain itself or it will lie dormant in Ecks' body.

In other media[edit]


  • Doctor Double X appears in the Batman: The Brave and the Bold episode "A Bat Divided" voiced by Ron Perlman. Doctor Double X tries to create a radioactive meltdown to increase his powers, but unknowingly creates Firestorm after he combines Ronnie Raymond and Jason Rusch. Unknown to everyone else, even him, he also split Batman into three parts. Doctor Double X later kidnaps Firestorm to absorb his radioactive energy, but the three Batmen rescue Firestorm and battle and defeat Double X. He later makes a cameo in "Joker: The Vile and the Villainous" where he was seen at the bar where the bad guys hang out.

See also[edit]


  1. ^ [1]
  2. ^ Titans #17