almost every dc villain ever

Justice League:
-Abnegazar, Gath & Ghast (Justice League of America #10)
-Amazo (Brave and the Bold #30)
-Brain Storm (Justice League of America #32)
-Cadre (Justice League of America #235)
--Overmaster
--Black Mass
--Crowbar
--Fastball
--Nightfall
--Shatterfist
--Shrike
-The Construct (Justice League of America #142)
-Crime Syndicate (Justice League of America #29)
--Johnny Quick
--Owlman
--Power Ring
--Superwoman
--Ultraman
-Despero (Justice League of America #1)
-Doctor Destiny (Justice League of America #5)
-Doctor Light (Justice League of America #12)
-Eclipso (House of Secrets #61)
-Felix Faust (Justice League of America #10)
-Funky Flashman (Mister Miracle #6)
-Kanjar Ro (Justice League of America #3)
-The Key (Justice League of America #41)
-Lord of Time (Justice League of America #10)
-Multi-Man (Challengers of the Unknown #14)
-Professor Amos Fortune (Justice League of America #6)
-Professor Ivo (The Brave and the Bold #30)
-Queen Bee (Justice League of America #23)
-Royal Flush Gang (Justice League of America #43)
--Ace
--Jack
--King
--Queen
--Ten
-Shaggy Man (Justice League of America #45)
-Starro (Brave and the Bold #28)
-T.O. Morrow (Flash #143)
-Unimaginable (Justice League of America #42)
-Vandal Savage (Green Lantern #10)
-Manga Khan (Justice League International #14)
-Maxwell Lord (Justice League #1)
-The Extremists (Justice League Europe #15)
--Lord Havok
--Dr. Diehard
--Gorgon
--Tracer
--Dreamslayer
-Starbreaker (Justice League of America #96)

The Flash:
-Abra Kadabra (Flash #128)
-Big Sir (The Flash #338)
-Captain Boomerang (Flash #117)
-Captain Cold (Showcase #8)
-Colonel Computron (Flash #304)
-Doctor Alchemy (Showcase #13)
-The Fiddler (All-Flash #32)
-Golden Glider (Flash #250)
-Gorilla Grodd (Flash #106)
-Heat Wave (The Flash #140)
-Mirror Master (Flash #105)
-Mr. Element (Showcase #13)
-The Pied Piper (Flash #106)
-The Rag Doll (Flash Comics #36)
-Rainbow Raider (The Flash #286)
-Reverse-Flash (Flash #139)
-Rose and Thorn (Flash Comics #89)
-The Shade (Flash Comics #35)
-The Thinker (Flash Comics #65)
-Tobias Whale (Black Lightning #1)
-The Top (Flash #122)
-The Trickster (Flash #113)
-Turtle Man (All-Flash #21)
-Weather Wizard (Flash #110)
-Kilg%re (Flash #3)
-Blue Trinity (Flash #7)
-The Chunk (Flash #9)
-Speed Demon (Flash #5)
-Deadline (Starman #15)

Wonder Woman:
-Aegeus (Wonder Woman #297)
-Cheetah (Wonder Woman #8)
-Circe (Wonder Woman #305)
-Doctor Cyber (Wonder Woman #179)
-Doctor Psycho (Wonder Woman #5)
-Duke of Deception (Wonder Woman #2)
-Earthworm (Wonder Woman #309)
-Kung (Wonder Woman #237)
-Ares (Wonder Woman #1)
-Silver Swan (Wonder Woman #288)
-Thia (New Teen Titans #7)
-Decay (Wonder Woman #3)
-Deimos (Wonder Woman #2)
-Phobos (Wonder Woman #2)
-Dr. Moon (Wonder Woman #200)

Swamp Thing:
-Arcane (Swamp Thing #2)
-Patchwork Man (Swamp Thing #2)

Superman:
-Atomic Skull (Superman #323)
-Bizarro (Action Comics #254)
-Blackbriar Thorn (DC Comics Presents #66)
-Blackrock (Action Comics #458)
-Brainiac (Action Comics #242)
-Colonel Future (Superman #378)
-Composite Superman (World’s Finest Comics #142)
-The Forgotten Villains (DC Comics Presents #77)
--Enchantress
--Atom-Master
--Faceless Hunter
--Kraklow
--Mr. Poseidon
--Ultivac
--Yggardis
-The Galactic Golem (Superman #248)
-Insect Queen (Superman Family #203)
-J. Wilbur Wolfingham (Superman #26)
-Lady Lunar (Wonder Woman #252)
-Lord Satanis (Action Comics #527)
-Lex Luthor (Action Comics #271)
-Maaldor the Darklord (DC Comics Presents #56)
-Master Jailer (Superman #331)
-Metallo (Superman #330)
-Mr. Mxyzptlk (Superman #30)
-Mongul (DC Comics Presents #27)
-Parasite (Action Comics #340)
-The Prankster (Action Comics #51)
-Puzzler (Action Comics #49)
-Syrene (Action Comics #527)
-Terra-Man (Superman #249)
-Titano (Superman #127)
-Toy-Man (Action Comics #64)
-Ultra-Humanite (Justice League of America #195)
-Untouchable (DC Comics Presents #58)
-Nuetron (Action Comics #525)
-Bloodsport (Superman #4)
-Host (Superman #5)
-Rampage (Superman #7)
-Psi-Phon (Superman #19)
-Dreadnaught (Superman #19)
-Silver Banshee (Action Comics #495)
-Skyhook (Superman #15)
-Sleez (Action Comics #592)
-Maxima (Action Comics #645)
-Blaze (Action Comics #656)
-Draaga (Adventures of Superman #454)
-The Eradicator (Action Comics Annual #2)
-Cerberus (Superman: Man of Steel #1)
-Mister Z (Superman #51)
-Doomsday (Superman: Man of Steel #17)

Outsiders:
-Baron Bedlam (Batman and the Outsiders #1)
-The Masters of Disaster (Batman and the Outsiders #9)
--Coldsnap
--Heatstroke
--New-Wave
--Shakedown
--Windfall
-The New Olympians (Batman and the Outsiders #14)
--Antaeus
--Argus
--Diana
--Nox
--Proteus
--Vulcanus
-Nuclear Family (The Outsiders #1)
--Dad
--Mom
--Biff
--Sis
--Brat
--Dog
-Syonide (Batman and the Outsiders #20)
-The Bad Samaritan (Outsiders #3)
-Duke of Oil (Outsiders #6)
-The People’s Heroes (Outsiders #10)
--Bolshoi
--Hammer
--Molotov
--Pravda
--Sickle
-Strike Force Kobra (The Outsiders #21)
--Clayface IV
--Elemental Woman
--Planet Master
--Zebra-Man
--Spectrumonster

Justice Society:
-Baron Blitzkrieg (World’s Finest Comics #246)
-The Brain Wave (All-Star Comics #15)
-Deathbolt (All-Star Squadron #21)
-Dragon King (All-Star Squadron #4)
-The Huntress (Sensation #68)
-Icicle (All-American Comics #90)
-Kobra (Kobra #1)
-The Mist (Adventure Comics #67)
-Night (All-Star Squadron #44)
-Fog (All-Star Squadron #44)
-Per Degaton (All-Star Comics #35)
-Psycho-Pirate (All-Star Comics #23)
-Silver Ghost (Freedom Fighters #1)
-Solomon Grundy (All-American Comics #61)
-Sportsmaster (Green Lantern #28)
-The Wizard (All Star Comics #34)
-Zyklon (All-Star Squadron #45)
-Artemis (Infinity, Inc. #34)
-Axis Amerika (Young All-Stars #1)
--Fledermaus
--Gudra
--Horned Owl
--Sea Wolf
--Ubermensch
--Usil
--Kamikaze
-Tigress (Young All-Stars #6)
-Monarch (Armageddon 2001 #1)

Firestorm:
-Black Bison (Fury of Firestorm #1)
-Breathtaker (Fury of Firestorm #29)
-Bug (Fury of Firestorm #24)
-Byte (Fury of Firestorm #23)
-Enforcer (Fury of Firestorm #14)
-The Hyena (Firestorm #4)
-Killer Frost (Firestorm #3)
-Mindboggler (Fury of Firestorm #29)
-Multiplex (Firestorm #1)
-Plastique (The Fury of Firestorm #7)
-Silver Deer (Fury of Firestorm #25)
-Slipknot (The Fury of Firestorm #28)
-Tokamak (The Fury of Firestorm #18)
-Typhoon (Flash #295)
-The Weasel (The Fury of Firestorm #38)
-Stalnoivolk (Firestorm #67)
-Zuggernaut (Firestorm #69)

Teen Titans:
-Blackfire (The New Teen Titans #23)
-Brother Blood (The New Teen Titans #21)
-Cheshire (New Teen Titans Annual #2)
-Gizmo (The New Teen Titans #3)
-Houngan (The New Teen Titans #14)
-Mammoth (New Teen Titans #3)
-Phobia (The New Teen Titans #14)
-Plasmus (The New Teen Titans #14)
-Psimon (The New Teen Titans #3)
-Shimmer (The New Teen Titans #3)
-Deathstroke (New Teen Titans #2)
-Thunder (New Teen Titans #32)
-Lightning (New Teen Titans #32)
-Trigon the Terrible (The New Teen Titans #3)
-Warp (The New Teen Titans #14)
-The Hybrid (New Teen Titans #24)
--Behemoth
--Gorgon
--Harpi
--Mento
--Prometheus
--Pterodon
--Scirocco
--Touch-N-Go
-Twister (The New Teen Titans #26)
-Godiva (New Teen Titans Annual #3)
-Puppeteer (Green Lantern #1)
-Trident (New Teen Titans #33)
-Wildebeest (The New Teen Titans #36)
-Lord Chaos (New Titans Annual #7)

Green Lantern:
-Black Hand (Green Lantern #29)
-Demolition Team (Green Lantern #176)
--Rosie
--Hardhat
--Jackhammer
--Scoopshovel
--Steamroller
-Doctor Polaris (Green Lantern #12)
-Evil Star (Green Lantern #37)
-The Gambler (Green Lantern #12)
-Goldface (Green Lantern #28)
-The Harlequin (All-American Comics #89)
-Hector Hammond (Green Lantern #5)
-Invisible Destroyer (Showcase #23)
-Javelin (Green Lantern #173)
-Krona (Green Lantern #40)
-Major Disaster (Green Lantern #43)
-Anti-Monitor (Crisis on Infinite Earths #2)
-Myrwhydden (Green Lantern #26)
-Nekron (Tales of the Green Lantern Corps #2)
-The Predator (Green Lantern #178)
-The Shark (Green Lantern #24)
-Sinestro (Green Lantern #7)
-Sonar (Green Lantern #14)
-Star Sapphire (Green Lantern #16)
-Tattooed Man (Green Lantern #23)
-Time Commander (The Brave and the Bold #59)
-Warlock of Ys (Green Lantern #42)
-Knodar (Green Lantern #28)
-Baron Tyranno (Green Lantern #54)

Aquaman:
-Black Manta (Aquaman #35)
-Fisherman (Aquaman #21)
-Ocean Master (Aquaman #29)
-Scavenger (Aquaman #37)
-Marine Marauder (Adventures of the Outsiders #37)

Batman:
-Black Spider (Detective Comics #463)
-Blockbuster (Detective Comics #345)
-Bronze Tiger (Richard Dragon, Kung Fu Fighter #1)
-The Calculator (Detective Comics #463)
-Calendar Man (Detective Comics #259)
-Catman (Detective Comics #311)
-Catwoman (Batman #1)
-The Cavalier (Detective Comics #81)
-Clayface (Detective Comics #40)
-Cluemaster (Detective Comics #351)
-Copperhead (Brave and Bold #78)
-Crazy Quilt (Boy Commandos #15)
-Crime Doctor (Detective Comics #494)
-Killer Croc (Batman #357)
-Deadshot (Batman #59)
-Doctor Double X (Detective Comics #261)
-Doctor Phosphorus (Detective Comics #469)
-Doctor Tzin-Tzin (Detective Comics #354)
-Electrocutioner (Batman #331)
-Firebug (Batman #318)
-Firefly (Detective Comics #184)
-Joker (Batman #1)
-Killer Moth (Batman #63)
-Mad Hatter (Batman #49)
-Manbat (Detective Comics #400)
-Maxie Zeus (Detective Comics #483)
-Mirage (Detective Comics #511)
-Mr. Freeze (Batman #121)
-Nightslayer (Detective Comics #529)
-Nocturna (Detective Comics #529)
-The Outsider (Detective Comics #334)
-The Penguin (Detective Comics #58)
-Poison Ivy (Batman #181)
-Professor Hugo Strange (Detective Comics #36)
-Professor Milo (Detective Comics #247)
-Quakemaster (DC Special #28)
-Ra’s Al Ghul (Batman #232)
-The Riddler (Detective Comics #140)
-Scarecrow (World’s Finest Comics #3)
-Sensei (Strange Adventures #215)
-Signalman (Batman #112)
-Spellbinder (Detective Comics #358)
-The Spook (Detective Comics #434)
-Sterling Silversmith (Detective Comics #446)
-Talia Al Ghul (Detective Comics #411)
-Ten-Eyed Man (Batman #226)
-The Terrible Trio (Detective Comics #253)
--Fox
--Shark
--Vulture
-Tweedledee & Tweedledum (Detective Comics #74)
-Two-Face (Detective Comics #66)
-Wrath (Batman Special #1)
-Fay Gunn (Batman #408)
-Kite-Man (Batman #133)
-Magpie (Man of Steel #3)
-Reaper (Detective Comics #575)
-KGBeast (Batman #417)
-Rat Catcher (Detective Comics #485)
-Ventriloquist (Detective Comics #583)
-Kadaver (Detective Comics #588)
-NKVDemon (Batman #445)
-King Snake (Robin #1)
-Anarky (Detective Comics #608)
-Black Mask (Batman #386)

Supergirl:
-Blackstarr (New Adventures of Supergirl #13)
-The Gang (Daring New Adventures of Supergirl #4)
--Brains
--Kong
--Bulldozer
--Ms. Mesmer
-Matrix-Prime (Daring New Adventures of Supergirl #6)
-Psi (The Daring New Adventures of Supergirl #1)
-Reactron (The Daring New Adventures of Supergirl #8)

Blue Devil:
-Bolt (Blue Devil #6)
-Nebiros (Blue Devil #1)
-Vanquisher (Blue Devil #12)
-Shockwave (Blue Devil #2)

Doom Patrol:
-The Brain (Doom Patrol #86)
-Garguax (Doom Patrol #97)
-General Immortus (My Greatest Adventure #80)
-Madame Rouge (Doom Patrol #86)
-Monsieur Mallah (Doom Patrol #86)
-Kalki (Doom Patrol #1)
-Mr. 104 (Doom Patrol #98)
-Shrapnel (Doom Patrol #7)
-The Brotherhood of Dada (Doom Patrol #26)
--Mr. Nobody
--Sleepwalk
--Frenzy
--The Fog
--The Quiz
-The Beardhunter (Doom Patrol #45)
-Red Jack (Doom Patrol #22)
-The Scissormen (Doom Patrol #20)
-Shadowy Mr. Evans (Doom Patrol #47)
-Men from N.O.W.H.E.R.E. (Doom Patrol #35)
-The Candlemaker (Doom Patrol #44 BLOOD OF THE LAMB BLOOD OF THE LAMB BLOOD OF THE LAMB)

The Atom:
-Bug-Eyed Bandit (The Atom #26)
-Chronos (The Atom #3)
-The Floronic Man (The Atom #1)
-Strobe (Power of the Atom #3)

Hawkman:
-Byth (Brave and Bold #34)
-Fadeaway Man (Detective Comics #479)
-Gentleman Ghost (Flash Comics #88)
-Hyathis (Justice League of America #3)
-I.Q. (Mystery in Space #87)
-Matter Master (The Brave and the Bold #35)
-The Monocle (Flash Comics #64)
-Shadow Thief (The Brave and the Bold #36)
-Darkwing (Hawkman #7)
-Lion-Mane (Hawkman #20)
-Count Viper (Hawkworld #30)
-White Dragon (Hawkworld #27)

Captain Marvel:
-Captain Nazi (Master Comics #21)
-Mr. Atom (Captain Marvel Adventures #78)
-Mr. Mind (Captain Marvel Adventures #22)
-Mr. Mind’s Monster Society of Evil (Captain Marvel Adventures #22)
--Crocodile Man
--Dummy
--Evil-Eye
--Goat-Man
--IBAC
--Jeepers
--King Kull
--Mr. Banjo
--Mr. Who
--Nippo
--Nyola
--Oggar
--Oom
--Ramulus
-Sabbac (Captain Marvel Jr. #4)
-Sivana (Whiz Comics #2)
-Sivana Family (Captain Marvel Adventures #52)
--Sivana Jr.
--Georgia
-Black Adam (Marvel Family #1)

Metal Men:
-Chemo (Showcase #39)

Green Arrow:
-Clock King (World’s Finest Comics #111)
-Merlyn (Justice League of America #94)
-Shado (Green Arrow: The Longbow Hunters #1)
-Jakob Whorrsman (Green Arrow Annual #5)

Legion of Super-Heroes:
-Computo (Adventure Comics #340)
-Cosmic King (Legion of Super-Heroes #2)
-Doctor Regulus (Adventure Comics #348)
-Emerald Empress (Adventure Comics #352)
-Grimbor (Superboy #221)
-Infinite Man (Superboy and the Legion of Super-Heroes #233)
-League of Super-Assassins (Superboy and the Legion of Super-Heroes #253)
--Lazon
--Mist Master
--Neutrax
--Silver Slasher
--Titania
-The Legion of Super-Villains (Adventure Comics #372)
--Chameleon Chief
--Esper Lass
--Hunter
--Magno Lad
--Micro Lad
--Ol-Vir
--Radiation Roy
--Ron-Karr
--Sun Emperor
--Tank the Mute
--Terrus
-Lightning Lord (Superman #147)
-Mano (Adventure Comics #352)
-Mordru (Adventure Comics #367)
-Nemesis Kid (Adventure Comics #346)
-The Persuader (Adventure Comics #352)
-Pulsar Stargrave (Superboy #223)
-Saturn Queen (Adventure Comics #331)
-Starfinger (Adventure Comics #335)
-Tharok (Adventure Comics #352)
-Time Trapper (Adventure Comics #314)
-Tyr (Superboy and the Legion of Super-Heroes #197)
-Universo (Adventure Comics #349)
-Validus (Adventure Comics #352)
-Black Mace (Adventure Comics #374)
-Caress (Legion of Super-Heroes #25)
-Flare (Legion of Super-Heroes #24)
-Zymyr (Legion of Super-Heroes #1)
-Spider Girl (Adventure Comics #323)
-Glorith (Adventure Comics #338)
-Roxxas (Adventure Comics #307)
-Prince Evillo (Adventure Comics #350)
-Ice Man (L.E.G.I.O.N. ’91 #32)
-Ig’nea (L.E.G.I.O.N. ’91 #30)

Black Canary:
-Count Vertigo (World’s Finest Comics #251)
-Steelclaw (Detective Comics #560)
-Lady Shiva (Richard Dragon, Kung-Fu Fighter #5)
Atari Force:
-Dark Destroyer (Atari Force #1)

Amethyst:
-Dark Opal (Legion of Super-Heroes #298)
-Fire Jade (Amethyst #1)
-Flaw (Amethyst #15)
-The Child (Amethyst #15)

New Gods:
-Darkseid (Jimmy Olsen #134)
-Deep Six (The New Gods #2)
--Gole
--Jaffar
--Shaligo
--Slig
--Trok
--Kurin
-DeSaad (The Forever People #2)
-Doctor Bedlam (Mister Miracle #2)
-Female Furies (Mister Miracle #6)
--Bernadeth
--Lashina
--Mad Harriet
--Stompa
-Glorious Godfrey (Forever People #3)
-Granny Goodness (Mister Miracle #2)
-Kalibak (The New Gods #1)
-Mantis (The New Gods #2)
-The Pursuer (The Forever People #11)
-Steppenwolf (New Gods #7)
-Virman Vundabar (Mister Miracle #5)
-Amazing Grace (Superman #3)
-Brimstone (Legends #1)
-Esak (The New Gods #4)
-Kanto (Mister Miracle #7)
-Yuga Khan (The New Gods #17)

Warlord:
-Deimos (First Issue Special #8)
-Garn Daanuth (Warlord #9)

Jonah Hex:
-El Papagayo (Jonah Hex #2)

Captain Atom:
-The Ghost (Captain Atom #82)
-Punch (Captain Atom #85)
-Jewelee (Captain Atom #85)
-Dr. Spectro (Captain Atom #5)
-Major Force (Captain Atom Annual #1)

Infinity, Inc.:
-Helix (Infinity, Inc. #17)
--Arak
--Baby Boom
--Kritter
--Penny Dreadful
--Tao Jones
-Carcharo (Infinity, Inc. #25)
-Chroma (Infinity, Inc. #14)
-Hazard (Infinity, Inc. #34)
-Icicle (Infinity, Inc. #34)
-Mr. Bones (Infinity, Inc. #16)

Blackhawk:
-Killer Shark (Blackhawk #269)
-The War Wheel (Blackhawk #68)

Doctor Fate:
-Kulak (All Star Comics #2)
-Wotan (More Fun Comics #55)
-Gray Man (Justice League #2)
-Ian Karkull (More Fun Comics #69)

Etrigan the Demon:
-Morgaine le Fey (The Demon #1)
-Witchboy (The Demon #7)
-The Lurker (The Demon #21)

Phantom Stranger:
-Tala (Phantom Stranger #4)
-Tannarak (Phantom Stranger #10)

Vigilante:
-Cannon (Vigilante #5)
-Saber (Vigilante #5)

Booster Gold:
-Blackguard (Booster Gold #1)
-Chiller (Booster Gold #8)
-The Director (Booster Gold #2)
-Mindancer (Booster Gold #1)

Blue Beetle:
-Carapax (Blue Beetle #1)
-Catalyst (Blue Beetle #14)
-Firefist (Blue Beetle #1)
-Madmen (Blue Beetle #3)
-Muse (Blue Beetle #5)
-Overthrow (Blue Beetle #15)

Suicide Squad:
-The Jihad (Suicide Squad #1)
--Chimera
--Djinn
--Jaculi
--Manticore
--Ravan
--Rustam

Manhunter:
-Dumas (Manhunter #1)

Power Girl:
-Weaver (Arion #28)

Hawk & Dove:
-Kestrel (Hawk & Dove #1)
-Barter (Hawk & Dove #1)
-Sudden Death (Hawk & Dove #5)
-Velvet Tiger (Detective Comics #518)