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

 * J'onn J'onzz/Martian Manhunter (director)
 * Alex Danvers (bio-engineer and former assistant director)
 * Kara Danvers/Supergirl
 * Winn Schott (technician)
 * Vasquez (field operative)
 * Demos
 * Hix (field operative)
 * Igle (field operative)
 * Price
 * Valdes (field operative)
 * Pam (HR)

Former members

 * Jeremiah Danvers
 * Lucy Lane (former deputy director)
 * Donovan (deceased)
 * Hartmann
 * Hank Henshaw
 * Amelia Hamilton
 * J. McGill (deceased)
 * Reynolds (deceased)
 * Tsung (deceased)
 * Mon-El (field agent, now member of the Legion of Super-Heroes)

Current enemies

 * Project Cadmus
 * Hank Henshaw/Cyborg Superman


 * World-killers
 * Samantha Arias/Reign

Former enemies

 * Armek (deceased)
 * World-killers
 * Julia Freeman/Purity (deceased)
 * Grace Parker/Pestilence (deceased)
 * Project Cadmus
 * Lillian Luthor
 * Daxamite's army
 * Queen Rhea (leader; deceased)
 * Daxamite invaders (invasion force; retreated)
 * Astra and Non's army
 * Astra (deceased)
 * Non (presumed deceased)
 * The Commander
 * Gor
 * Mur
 * Tor
 * Hellgrammite (deceased)
 * Brainic 8/Indigo (deceased)
 * Leslie Willis/Livewire (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)
 * 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)
 * Red Tornado (destroyed)
 * Vartox (deceased)

Supergirl
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Season 3
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Trivia

 * In the Comics, The D.E.O. tracks, investigates and processes metahuman activities and persons.