D.E.O.

"Welcome to the D.E.O., the Department of Extra-Normal Operations. The D.E.O. monitors and protects Earth from extraterrestrial presence and/or invasion. That means you."

- J'onn J'onzz to Supergirl

The Department of Extra-Normal Operations, or simply the D.E.O., is a governmental organization created following Superman's arrival on Earth to monitor extra-terrestrial presence on the planet. It was formerly led by Director Hank Henshaw until he was presumably killed by Jeremiah Danvers in order to save the alien fugitive J'onn J'onzz, who began posing as Henshaw to reform the D.E.O. for its intended purpose. After his identity was exposed, Lucy Lane was named deputy director. However, after helping Supergirl defeat Non and Indigo, J'onn received a presidential pardon and was re-instated as director of the D.E.O., continuing to use Hank's appearance for convenience sake around D.E.O. agents and for public appearances.

History
Following Kal-El's arrival on Earth, the United States government decided that they needed to protect themselves against extra-terrestrial presence, and potential invasion, so they created the Department of Extra-Normal Operations. 24 years following, after Fort Rozz crashed on Earth, they began to catalog of all of the aliens seen in public.

Twelve years later, they captured Kara Danvers. She was made aware of the department's existence, and their motives. Though they initially didn't work well, Hank Henshaw allowed Kara to take down Vartox, an alien threat, as Supergirl.

Current members

 * Alex Danvers (director and bio-engineer)
 * Kara Danvers/Supergirl
 * Vasquez (field operative)
 * Hix (field operative)
 * Igle (field operative)
 * Price (field operative)
 * Valdes (field operative)
 * Hartmann (field operative)
 * Pam (HR)
 * Amelia Hamilton (doctor)
 * Querl Dox/Brainiac 5 (technician, future knowledge)

Former members

 * Hank Henshaw (director, betrayed)
 * Jeremiah Danvers
 * Lucy Lane (former deputy director)
 * Donovan (deceased)
 * J. McGill (deceased)
 * Reynolds (deceased)
 * Tsung (deceased)
 * Demos (deceased)
 * Mon-El (field agent, now member of the Legion of Super-Heroes)
 * Winn Schott (technician, now member of the Legion of Super-Heroes)
 * J'onn J'onzz/Martian Manhunter (director, stepped down)
 * Raymond Jensen (betrayed)
 * Taylor  (betrayed, deceased)

Current enemies

 * Project Cadmus
 * Hank Henshaw/Cyborg Superman
 * Children of Liberty
 * Ben Lockwood/Agent Liberty  (leader)

Former enemies

 * Armek (deceased)
 * Children of Juru
 * Selena (incarcerated)
 * Vita (incarcerated)
 * Ayala (incarcerated)
 * Worldkillers
 * Julia Freeman/Purity (deceased)
 * Grace Parker/Pestilence (deceased)
 * Samantha Arias/Reign (Kryptonian-half deceased)
 * Project Cadmus members
 * Lillian Luthor (incarcerated)
 * Daxamite army
 * Queen Rhea (leader; deceased)
 * Daxamite invaders (invasion force; retreated)
 * Astra and Non's army (inactive)
 * Astra (leader; deceased)
 * Non (leader; status unknown)
 * The Commander
 * Gor
 * Mur
 * Tor
 * Hellgrammite (incarcerated)
 * Brainic 8/Indigo (deceased)
 * Leslie Willis/Livewire (turned ally; deceased)
 * Ethan Knox (deceased)
 * Jane Doe/Bizzaro (comatose)
 * Jeremiah Danvers (briefly)
 * Draaga
 * Jemm (deceased)
 * Rudy Jones/Parasite (deceased)
 * K'hund (incarcerated)
 * Ben Krull/Reactron (incarcerated)
 * Maxima
 * Maxwell Lord
 * Dr. Gilcrist/Metallo (deceased)
 * John Corben/Metallo (deceased)
 * T.O. Morrow (deceased)
 * Red Tornado (destroyed)
 * Maaldorian doctor (deceased)
 * Master Jailer (incarcerated)
 * J. McGill (deceased)
 * Psychic Fort Rozz escapee (deceased)
 * Unnamed White Martian (incarcerated)
 * Winslow Schott Sr./Toyman (deceased)
 * Scorcher (incarcerated)
 * Veronica Sinclair/Roulette (stranded on Maaldoria)
 * Siobhan Symthe/Silver Banshee (incarcerated)
 * Vartox (deceased)
 * Children of Liberty members
 * Mercy Graves  (deceased)
 * Otis Graves  (deceased)
 * Taylor  (former D.E.O. agent, deceased)
 * Raymond Jensen (former D.E.O. agent; incarcerated)
 * Dean Petrocelli (deceased)
 * Kopy (incarcerated)

Supergirl
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Season 4
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Behind the scenes

 * In the DC comics, the D.E.O. tracks, investigates and processes meta-human activities and persons.