Mechanical Engineering

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  Abraham Davis (New Earth)
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  Adam Strange (New Earth)
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  Adrian Veidt (Watchmen)
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  Akila (New Earth)
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  Alan Scott (Prime Earth)
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  Alana Strange (Ame-Comi)
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  Alex (New Earth)
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  Alexander Luthor (Antimatter Universe)
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  Alexander Luthor (DC Super Friends Web Series)
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  Alexis Luthor (Earth-172)
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  Alfred Pennyworth (DC Extended Universe)
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  Alice Tesla (Prime Earth)
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  Alicia Turner (Wildstorm Universe)
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  Allen Adam (Earth-Four)
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  Angela Spica (The Wild Storm)
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  Anthony Ivo (Injustice: The Regime)
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  Anthony Rodriguez, Jr. (Earth-One)
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  Archie Trundle (Prime Earth)
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  Arthur Williams (New Earth)
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  Astrid Arkham (Prime Earth)

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  Barry Allen (DC Extended Universe)
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  Barry Allen (The Wild Storm)
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  Black Manta (DC Extended Universe)
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  Bo Boppenheimer (A Fistful of Bastiches)
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  Brainiac (Krypton TV Series)
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  Brian Thaddeus Rusk (Astro City)
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  Briscoe (New Earth)
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  Bruce Wayne (DC Super Friends Web Series)
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  Bruce Wayne (Earth-22)
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  Bruce Wayne (Hush Beyond)
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  Bruce Wayne (New Earth)
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  Bryce Wayne (Earth -11)
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  Buck LeSabre (New Earth)
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  Bump Weathers (Titans TV Series)

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  C.K. Nevins (Earth-Two)
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  Calvin Carson (New Earth)
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  Carny (New Earth)
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  Construct (New Earth)
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  Curtis Holt (Arrow)
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  Curtis Metcalf (Dakotaverse)
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  Curtis Metcalf (Prime Earth)

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  Dale Gunn (New Earth)
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  Daniel Balogun (Prime Earth)
• Daniel Cassidy (New Earth)
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  Daniel Cassidy (Prime Earth)
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  David Drake (Prime Earth)
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  David Hyde (Prime Earth)
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  Dexter Knox (Earth-S)
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  Ding-Dong Daddy (New Earth)
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  Ding-Dong Daddy (Prime Earth)
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  Diode (New Earth)
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  Doctor Iker (New Earth)
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  Doctor Impossible (New Earth)
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  Dol-Nd (Earth-One)
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  Dylan Battles (New Earth)
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  Dyn-Xe (New Earth)

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  Earl Cooper (DCAU)
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  Edmond Hamilton (Earth-One)
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  Edward Bloomberg (New Earth)
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  Edward Nygma (Prime Earth)
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  Edwin Alva (Dakotaverse)
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  Elisabeth Netz (Prime Earth)
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  Elphius Levi (New Earth)
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  Eobard Thawne (Prime Earth)
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  Eric Shanner (Justice League Action)
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  Erich Donnerstein (New Earth)
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  Eulalia Jane Verne (Astro City)

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  Floyd Lawton (Prime Earth)
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  Freddy Allen (Preacher)
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  Frederick Danvers (Scooby-Doo Team-Up)
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  Fuselage (Dakotaverse)

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  Gadsden Graves (DCAU)
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  Gaige (Earth-Two)
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  Garfield Lynns (New Earth)
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  Geoffrey Barron (New Earth)
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  Gil Broome (Green Lantern Animated Series)
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  Gorilla Grodd (Batman Ninja)

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  Hans Gootsden (Earth-Two)
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  Harmonia Li (Pre-Zero Hour)
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  Hephaestus (New Earth)
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  Hi-Tech (New Earth)
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  Hiro Okamura (Justice League Action)
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  Hiro Okamura (New Earth)
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  Hiro Okamura (Superman/Batman)
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  Hiro Okamura (Titans Tomorrow)
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  Hollis Mason (Watchmen)
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  Hugh Marder (Prime Earth)
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  Hyalt (Prime Earth)

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  Inventor (Earth-Two)

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  Jack Buchinsky (Gotham)
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  Jack Edison (Earth-One)
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  Jack Wheeler (New Earth)
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  Jack Wheeler (Prime Earth)
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  James Tate (DCAU)
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  Jimmy Crew (Prime Earth)
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  John Bowers (Titans TV Series)
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  John Henry Irons (DCAU)
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  John Henry Irons (New Earth)
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  John Henry Irons (Prime Earth)
• John Zugar (Superboy TV Series)
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  Joker (Injustice: Gods Among Us)
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  Jonathan Crane (Prime Earth)
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  Jonathan Warrawa (New Earth)
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  Jorel (Earth 23)

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  Kal-El (All-Star Superman)
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  Kara Zor-El (DC Super Hero Girls)
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  Kara Zor-El (Earth-One)
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  Karen Beecher (DC Super Hero Girls TV Series)
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  Kathy Branden (Prime Earth)
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  Kenesha (The Wild Storm)
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  Kenneth Anderson (Earth-One)
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  Kilowog (Green Lantern Movie)
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  Kirk Langstrom (Batman Unlimited)
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  Konstantin Kovar (New Earth)
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  Koriand'r (Teen Titans TV Series)

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  Lara (Earth 23)
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  Leonard Snart (Hero Run)
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  Leonard Snart (Prime Earth)
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  Leonardo da Vinci (New Earth)
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  Leonardo da Vinci II (Quality Universe)
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  Lesla-Lar (Earth-One)
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  Lex Luthor (The Coming of the Supermen)
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  Lucas Fox (Prime Earth)
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  Lucius Fox (DC Super Hero Girls)
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  Lucius Fox (War)

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  Mad Mod (Teen Titans TV Series)
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  Mark Erdel (Earth-One)
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  Mark Saul Erdel (Prime Earth)
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  Martin Stein (Arrow)
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  Mastrocola (Prime Earth)
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  Maurice Rochford (Impact)
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  Maxwell Lord (Arrow: Earth-38)
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  Mellu Loran (Prime Earth)
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  Michael Patten (New Earth)
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  Mickey Malone (Earth-S)
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  Mikron O'Jeneus (New Earth)
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  Mitchell Sekofsky (New Earth)

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  Natasha Irons (Ame-Comi)
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  Natasha Irons (Gotham City Garage)
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  Natasha Irons (Prime Earth)
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  Nigel Fortenberry (Green Lantern Animated Series)
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  Niles Caulder (Justice)

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  Patrick Dugan (DCAU)
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  Patrick Dugan (New Earth)
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  Paul Saveen (Earth-ABC)
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  Paula von Gunther (Earth-Two)
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  Peter Esposito (Black Lightning TV Series)
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  Philip Rollins (DCAU)
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  Phillip Crane (Earth-One)
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  Phineas Quayle (Earth-One)
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  Professor Vale (Earth-One)

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  Querl Dox (Legion of Super-Heroes TV Series)

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  Randolph Garrow (Earth-Two)
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  Raymond Palmer (Arrow)
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  Riddler (Batman: The Telltale Series)
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  Ron (Powerless)
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  Ronald Raymond (Arrow)
• Rond Vidar (Pre-Zero Hour)
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  Roxanne Ballantine (DCAU)
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  Roy Harper (Prime Earth)

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  Sandor Skuba (Earth-AD)
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  Serge Kroolman (New Earth)
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  Shatterer (Earth-Two)
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  Shay Veritas (Prime Earth)
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  Shiera (DC Bombshells)
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  Silas Stone (Batman Unlimited)
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  Silas Stone (Gods and Monsters)
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  Simon Baz (Prime Earth)
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  Sinclair Strong (Earth-ABC)
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  Sir Real (New Earth)
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  Slobo (New Earth)
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  Sodam Yat (New Earth)
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  Suzuki (DCAU)
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  Sylvia Eisenberg (New Earth)

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  T.O. Morrow (Arrow: Earth-38)
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  Tech-Fu (New Earth)
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  Terrence Sloane (New Earth)
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  Terrence Thirteen I (Prime Earth)
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  Thaddeus Hoskins (New Earth)
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  Tharok (DCAU)
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  Tharok (Legion of Super-Heroes TV Series)
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  Theodore Kord (Earth-22)
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  Theodore Kord (Earth-Four)
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  Thomas Kalmaku (Justice)
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  Tiffany Fox (Batman: The Telltale Series)
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  Timothy Drake (New Earth)
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  Tomas Strong (Earth-ABC)
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  Toyboy (New Earth)
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  Trogg (New Earth)
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  Tyr-Van (New Earth)

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  Victor Fries (Earth-16)
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  Victor Fries (Justice League Action)
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  Victor Fries (New Earth)
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  Victor Fries (Teen Titans TV Series)
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  Victor Stone (Batman Unlimited)
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  Victor Stone (Teen Titans TV Series)
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  Victor Stone (Trapped In Time)
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  Vidar (Pre-Zero Hour)
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  Virgil Adams (New Earth)
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  Virman Vundabar (Justice League Action)