!Introduced in Double Dragon

[[folder:Billy Lee]]
The de-facto protagonist of the ''Double Dragon'' series. Successor to the Chinese martial art of Sou-Setsu-Ken. He began his Chinese martial arts training at the age of 12 and went on to master several fighting styles until becoming the Sou-Setsu-Ken successor at the age of 20. Sou-Setsu-Ken is a fighting style that combines the techniques from all sorts of martial arts such as Karate, Shorinji Kempo and Tai Chi into one school.
* AdaptationDyeJob: Blond in the arcade games and Neon, brown hair in both the NES and PC-Engine games. and black hair in the animated series.
** Early concept/promotional art for the original game depicts Billy not only as the darker haired brother, but has him wearing the red outfit instead of blue, which implies that he might been originally intended to be the Player 2 character (before the identities of the Lee brothers were fully established).
* BlueOni
* CainAndAbel: Abel to Jimmy's Cain in the first NES game. This also occurs in the actual arcade game if both brothers defeat Willy together.
* ColorCodedMultiplayer: Billy is blue (except in the second arcade game, where he wore black).
* TheHero: He is the Player 1 character and Marian's official boyfriend, two facts that combined give him a bit more of protagonism than Jimmy. His role is also bigger than Jimmy's in most adaptations.
* JackOfAllStats: In the SNES version, where his fighting style focuses more on flexibility.
* {{Shotoclone}}: In the Neo-Geo game.
* SurferDude: Speaks this way alongside Jimmy in ''Neon''. Very much so [[PlayedforLaughs played for laughs]].

[[folder:Jimmy Lee]]
The older Lee twin, who helps his brother Billy fight the Black Warriors, while being secretly in love with Marian. In the NES version, he is actually the Shadow Boss, the true leader of the Black Warriors, although this plot point is swept aside in the sequels (which brought back the co-op play missing in the first NES game).
* AdaptationDyeJob: Brown hair in the arcade games and Neon, blond in the NES and PC-Engine games and animated series.
** Much like Billy, some of the early promotional art depicts Jimmy wearing blue instead of his usual red.
* AdaptationalVillainy: In the NES version of the first game and the animated series.
* CainAndAbel: Cain to Billy's Abel in the first NES game. This also occurs in the actual arcade game if both brothers defeat Willy together.
* ColorCodedMultiplayer: Jimmy is red (except in the second arcade game, where he wore white).
* CompositeCharacter: In the first NES game, not only serves as the new final boss, but essentially replaces Jeff (the head-swapped Lee brother boss from the arcade version) as the boss who uses all of the player's moves.
* {{Expy}}: Creator/ScottMcNeil plays Jimmy in the AnimatedAdaptation. He would also go on to play [[WesternAnimation/StreetFighter another blond martial artist dressed in red from another animated adaptation of a video game movie...]]
* HeelFaceTurn: In #2 of the animated series.
* MightyGlacier: In the SNES version, where his style focuses on pure strength.
* RedOni
* {{Shotoclone}}: In the Neo-Geo game.
* SurferDude: Speaks this way alongside Billy in ''Neon''. Very much so [[PlayedforLaughs played for laughs]]

[[folder:Marian Kelly]]
Billy's girlfriend, who used to be an assistant instructor in their old martial arts gym, but is kidnapped by the Black Warriors. In ''Double Dragon II'', she is seemingly killed off in the beginning, with her ultimate fate varying depending on the version.
* ActionGirl: In the Neo-Geo game.
* AssKicksYou
* [[spoiler:BackFromTheDead: In the NES and PC-Engine ''Double Dragon II'' games.]]
* BoundAndGagged as shown here [[http://static.tvtropes.org/pmwiki/pub/images/image_547.png]]
* [[spoiler: BrainwashedAndCrazy: In ''Neon'' during the first part of the final boss battle.]]
* DamselInDistress
* DamselOutOfDistress: An interview with Kishimoto revealed there was a cut mode for ''Advance'' which had Marian escape using her combat skills in addition to teaming up with Abobo.
* FauxActionGirl: If we are to believe the back-story given in the original game's official soundtrack and some of the console versions, she was formerly an assistant instructor in Billy and Jimmy's old dojo. Seeing how she goes down with only one punch to the gut in the opening of the original game without putting up much a fight, her qualifications for such a job are debatable. Averted by her Neo-Geo incarnation, who does have actual fighting skills.
* GroinAttack: [[spoiler: Gives Skullmageddon one after the end credits in Neon.]]
* [[spoiler: ThePowerOfLove: Uses this in ''Neon'' to send the Lee Bros. to another dimension to face Skullmageddon, as well as [[EmergencyTransformation turning them into Ro-Bros to survive the transition.]]]]
* NeutralFemale: If playing multiplayer in the arcade version, once both players reach the end, they find Marian in UnwillingSuspension. They then fight over her.
* ShesGotLegs: In both the original series and the Neo-Geo fighting game.
* [[spoiler:SparedByTheAdaptation: Marian is revived in the NES and PC-Engine adaptation.]]
* SpellMyNameWithAnS: Marian's name is sometimes spelled "Marion" depending on the game. The manual for the Master System version spells it "Mary-Anne" as well.
* StuffedInTheFridge - The second arcade game begins exactly the same way as the first game... Only instead of being kidnapped, Marian is gunned down to death by Machine Gun Willy. Ouch! [[spoiler: Unlike the NES and PC-Engine versions, she ''stays dead.'']] Same with the computer versions of Double Dragon II.
* TookALevelInBadass: in the Neo-Geo version, where she's not only a selectable fighter, but is one of the higher-tier characters in the roster.
* UnwillingSuspension: In the first game.
* WhoWearsShortShorts: In the Neo-Geo fighting game.

* AmbiguouslyBrown: In many games, Abobo's default skintone is an unclear shade, such as in the IOS depiction pictured above.
* AmazingTechnicolorPopulation: Several variants of him have fantastic skintone. Most notably the original game, and its remakes include a green Abobo, later called Mibobo. Double Dragon Advance had Abobos in a rainbow of colors from Blue to Silver!
* BadassMustache: Abobo's in-game sprite sported a horseshoe mustache in the original game, the arcade game also including a bearded variant. The vs. mode character illustrations for the NES version gave Abobo a clean-shaved look though, giving him an appearance similar to [[VideoGame/GodOfWar Kratos]] or [[StreetFighter Sagat]].
* BaldOfEvil: Abobo is almost always bald, or mostly bald with a mohawk.
* BarrierBustingBlow: Abobo punches through walls.
* BreakoutMookCharacter: Abobo is one of the four most recognizable, and consistent characters[note]Billy, Jimmy, Marian, and Abobo[/note] in the series. Abobo has countless cameos in other media such as Rajiv in ''VideoGame/SuperDodgeBall.'' [[http://doubledragon.kontek.net/features/ddacommentary3.html A mode]] featuring Abobo as playable was almost added to Advance before being cut for time! Finally Abobo is the star of ''VideoGame/AbobosBigAdventure'' which got the creator, Kishimoto, approval. He even makes several appearances in ''VideoGame/RiverCityRansomUnderground'', despite having never been a part of the ''VideoGame/KunioKun'' canon.
* CatchPhrase: A real weird word, "Chikky!" seems to be Abobo's CatchPhrase, especially in the the Neo-Geo fighting game, and gets carried over in his SpiritualSuccessor Abubo in ''Rage of the Dragons''.
* DumbMuscle: Many adaptations like ''Battletoads & Double Dragon'' depict him as quite dense.
* GeniusBruiser: The Animated series depicted as smarter then the other Mooks. In ''Neon'' its revealed Abobo has a degree in physics, and is writing his master's thesis.
* GiantMook: Abobo is significantly larger then the other {{Mooks}}, so much so he is the only enemy that cannot be grabbed in the original.
* GoodScarsEvilScars: In the arcade original, Abobo had a disfiguring scar going from his eye to his forehead.
* HulkSpeak: In ''Battletoads & Double Dragon'', he always refers to himself in third-person.
* MookFaceTurn: A cut mode for ''Advance'' involved Abobo doing one, and helping Marian escape.
* NightmareFace: The sprites for Abobo in the NES VideoGame/DoubleDragon games give him one of these. They're clearly based on the same character's arcade sprites, but the head is enlarged and the contrast in shading almost makes him look like he's made of rock. In addition, his handlebar mustache looks enough like a severely distorted mouth that some have mistakenly confused it for one.
* PaletteSwap: Even in the original, Abobo, outside of Jick, came in multiple skintones.
* PromotedToPlayable: Abobo is playable in the NES VS mode, the IOS/Zeebo ports of the original, the Neo Geo game, and ''VideoGame/AbobosBigAdventure.'' He was also going to be playable along with Marian in Double Dragon Advance, but the feature got cut.
* RealMenWearPink: Despite his intimidating appearance, Abobo's hobbies include singing, and dancing [[http://doubledragon.kontek.net/forums/viewtopic.php?f=2&t=13&p=38 according]] to the Japanese version of the Double Dragon Advance manual.
* ScaryBlackMan: Depending on the game and the palette being used.
* ThrowABarrelAtIt: He has the ability to throw oil drums and other large objects in the original arcade version.
* WalkingShirtlessScene: Outside of the rare occasions he wears a tanktop, Abobo's chest is always bared.
* WrestlerInAllOfUs: In the Neo-Geo fighting game, Abobo has wrestling moves. Even in the original, Abobo had some WWE style throws.

[[folder:Chin Taimei]]
* BlindingBangs: Some designs, such as on the nes, depict his eyes as covered by his hair.
* BruceLeeClone: Taimei is a variant as he's based off Creator/JackieChan.
* CanonImmigrant: At first he was just a character made up for the NES version of the first game, but later appears in the arcade version of ''II'' as a stick-wielding fighter. His name was used for the Player 2 version of Chin (shortened to "Taime" due to space limit) in the arcade version of ''3''.
* DualWielding: with the sticks in ''II''
* {{Expy}}: His design in the first NES game resembles the Karate Fighter from ''Mat Mania'', a Technos-developed wrestling game.
* SpellMyNameWithAnS: His name was shortened to "Chintai" in the English manual.
* YouDontLookLikeYou: Taimei in the arcade version of III is simply a PaletteSwap of the short and fat Seimei as opposed to the tall and thin design he usually has.

[[folder:Willy Mackey]]
The leader of the Black Warriors, a biker gang leader whose organization grew in power after the nuclear war. Serves as the final boss in the arcade versions of the first two games, where he shoots Marian to death in the second game. In the NES versions, he's merely a figurehead, being the last opponent fought by Billy before the final battle against Jimmy in the first game and a complete no-show in the second.
* AdaptedOut: Absent in the second NES game, despite being the reason why Billy and Jimmy are seeking revenge against the gang in the arcade version, although he does show up in the PC Engine version.
* BigBad: In the first two arcade games and most remakes of the original.
* BottomlessMagazines
* DemotedToDragon: In the first NES game, he's just the last guy the player fights before the final fight with Jimmy.
* SuddenNameChange: To "Roper" in ''Battletoads & Double Dragon''. The manual for the Master System version also switched his name with Jeff's.
* PistolWhipping
* VillainousWidowsPeak: In the first two arcade games.

* ButtMonkey: Williams is most definitely one of these in ''Neon'': Skullmageddon threathens to dock his pay for the monitors you break in levels 3 and 4 and 2 of his quotes when he kills you are "No dogfood for Williams today!" and "Guess who's sleeping inside tonight?"
* TheGoomba: Williams is the most common, and basic enemy.
* HomeRunHitter: His weapon of choice in the original game is a baseball bat.
* {{Mook}}
* PrecisionGuidedBoomerang: Gets one in ''Super Double Dragon''..
* ShoutOutThemeNaming: Named after Jim Kelly's character from ''Film/EnterTheDragon''.
* ThoseTwoGuys: Williams is almost always accompanied by Rowper
* ThrowABarrelAtIt: He gains this ability in the GBA version.
* UnholyMatrimony: In the IOS continuity, Williams and Linda are married.
* WouldHitAGirl: He's the one who punches Marian and carries her off in most versions.

* AdaptationNameChange: Is called Brett in the IOS game.
* TheGoomba
* HomeRunHitter: He can wield a baseball bat in the arcade version like Williams does, but he loses this ability in the NES version.
* {{Mook}}
* PrecisionGuidedBoomerang: Wields one in the NES version of ''Double Dragon II'' which cannot be taken away from him.
* RaceLift: Roper is usually portrayed as african american, or caucasian, but his incarnation in ''Double Dragon Super'' is Japanese.
* ShoutOutThemeNaming: Named after John Saxon's character from ''Film/EnterTheDragon''.
* SpellMyNameWithAnS: His name has also been spelled "Lopar" and "Roper" (the latter being his namesake from ''Enter The Dragon'').
* ThoseTwoGuys: He's almost seen with Williams.
* ThrowABarrelAtIt: His special ability in the first game.

* CombatSadomasochist: In ''Neon'', she tells Billy and Jimmy to get on their knees and lets out ecstatic shouts of "Oh good!" whenever she manages to kill either one of them or is defeated herself.
* EpicFlail: Lindas from ''II'' use these
* WhipItGood: Linda's weapon of choice in the original game.
* ShoutOutThemeNaming: Presumably named after Bruce Lee's wife, Linda Lee Cadwell.
* SpellMyNameWithAnS: Promotional materials for the first game spelled her name as "Rinda."
* UnholyMatrimony: In the IOS game Williams is her husband.

* AdaptedOut: Most of the console versions of the first game leaves him out and simply use Abobo in his place. Even ''Double Dragon Advance'' essentially replaces him with an actual mohawked Abobo.
* AllThereInTheManual: His official name was an obscure fact (due to his omission in console versions), but it was mentioned in print in a review by Famitsu.
* BadassBeard: Jick has an unruly beard as opposed to Abobo's mustache.
* DegradedBoss: Two Jicks show up in the final level of the arcade original.
* HeadSwap: Of Abobo, allowing the game designers to save graphic space by having only having to draw his head.
* KingMook: He's essentially tougher version of Abobo
* LawOfChromaticSuperiority: The Green Jick who appears at the end of Mission 3
* NoCelebritiesWereHarmed: His dark skin and hairstyle makes him a dead ringer for Creator/MrT.

* AdaptedOut: Also cut out from most versions of the first game, particularly the NES and Game Boy versions, as his role was served by Chin there.
* DemotedBoss: In the arcade version clones of Jeff appear during the final two stages as {{elite mook}}s and they are just as tough as the boss version from Mission 2.
* EliteMook: In ''Super Double Dragon'', where he is a mook who is tougher than the usual Williams and Rowper variety.
* HeadSwap: of the Lee Brothers, allowing greater moves.
* PaletteSwap: Of Billy Lee in ''Super Double Dragon''.

!Introduced in Double Dragon II
* BarrierBustingBlow: Burnov punches through walls.
* BreakoutMookCharacter: Next to Abobo, he's the most recognized bad guy in the series, so much so that he often appears in remakes of the first game, such as the GBA and iOS versions, despite not being introduced till ''II''.
* CampGay: In the GBA version, and to a greater extent in the [=iOS=] version, where he hits on Billy and Jimmy.
* CaptainErsatz: His original design resembles that of the ''Manga/{{Kinnikuman}}'' wrestler Neptuneman, which probably explains why they changed his mask in the [=iOS=] version.
* FatBastard
* SpellMyNameWithAnS: The manual for the Neo-Geo version spells Burnov as "Bulnov".
* StoutStrength: He is one of the most powerful enemies.
* WrestlerInAllOfUs: In the Neo-Geo fighting game.

* ShoutOut: Named and modeled after Bolo Yeung, who played Mr. Han's bodyguard in ''Film/EnterTheDragon'', continuing the ShoutOutThemeNaming of Williams, Rowper and Linda.
* SuspiciouslySimilarSubstitute: To Abobo in ''Double Dragon II''. In fact, he's literally Abobo with mop hair (same facial structure in both, the arcade and NES versions), to the point that the Mega Drive version's manual identifies him as such (rather than as "Bolo") on the enemy list.

* CaptainErsatz: Abore is a cross between The Franchise/{{Terminator}} and Wrestling/AndreTheGiant.
* CompositeCharacter: Abore in the second NES game has the same moves as his namesake from the arcade version, but his appearance resembles that of Oharra's, an Abobo head-swap from the arcade version.
* {{Expy}}: Abore in the arcade version of ''II'' seems to be based on André the Giant from the ''WWF Superstars'' arcade game also developed by Technos.
* GlowingEyesOfDoom: In the second Arcade game.
* MightyGlacier
* NoCelebritiesWereHarmed: Abore in the arcade version of ''II'' wears a pair of sunglasses with glowing red eyes underneath them that makes him look like a Franchise/{{Terminator}}-clone.
* SinisterShades: In the Arcade and PC-Engine version of ''II''

[[folder:The Mysterious Warrior]]
* CanonForeigner: He never appeared in the original arcade game.
* EvilCounterpart: His Gen-Satsu-Ken style is said to be the anti-thesis of the Lee brothers' Sou-Setsu-Ken style.
* {{Expy}}: Willy's bodyguards, the Five Emperors of Gen-Setsu-Ken in the GBA version. The Shadow Master from the animated series also serves a similar role.
* MasterOfIllusion
* MyDeathIsOnlyTheBeginning
* NoNameGiven: He's never given a name in the NES version, but his {{expy}} in the GBA version is named [[TomTheDarkLord Raymond]].

!Introduced in Double Dragon 3
An elderly fortune teller who guide the Lee brothers in the search for the Rosetta Stones.
* AdaptationalVillainy: She was already villain in the original arcade version, but the NES version (particularly the English localization) takes it a step further by [[spoiler:having her be responsible for Brett's death.]]
* DeusExMachina - [[spoiler:Hiruko's death while trying to enter Cleopatra's tomb with only three Sacred Stones]] in the third NES game.
* [[spoiler: TreacherousAdvisor: As it turns out Hiruko was manipulating the Double Dragons all along so she could steal Cleopatra's treasure for herself, and rule the world.]]
* WalkingSpoiler

[[folder:Urquidez Brothers]]
A trio of mixed martial arts masters who appear in the arcade version of ''Double Dragon 3'' consisting of Roney (1P), Sunny (2P) and Jonny (3P).
* AdaptedOut[=/=]AdaptationalVillainy: None of the Urquidez Brothers appear in the NES version, aside from an unnamed boss character who resembles one of them. Unlike Chin and Ranzou, he never joins the player's party after being defeated.
* AmazingTechnicolorPopulation: His PaletteSwap brother, Jonny has steel grey skin.
* TheBigGuy: Towers over every other playable character.
* ColorCodedMultiplayer: Sunny, the 2nd Urquidez Brother, has orange pants instead of the traditional red.
* NoCelebritiesWereHarmed: Based off Benny "the Jet" Urquidez, an American Karate practitioner.

[[folder:Chin Brothers]]
A trio of portly Tai Chi masters who appear in the arcade version of ''Double Dragon 3'' consisting of Seime (1P), Taime (2P) and Sinme (3P). In the NES version Chin Seimei appears by himself as the boss of the second stage, who seeks to avenge his brother Taimei's defeat in the previous NES games prior to joining the player's party.
* {{Acrofatic}}: Despite his weight, he can jump very high.
* AdaptationalVillainy: Seimei starts out as a boss in the NES version before joining the player's party. In the arcade version he was strictly a playable character.
* AdaptedOut: The other Chin Brothers, Taime and Sinme, are nowhere to be seen in the NES version.
* AvengingTheVillain
* ColorCodedMultiplayer: In the arcade version at least.
* DefeatMeansFriendship[=/=]EasilyForgiven: Seimei quickly forgets about the Lee brothers killing his brother in the NES version.
* HeelFaceTurn: In the NES version
* MightyGlacier: In the NES version he can defeat most villains with his basic punch combo, but is the slowest character in the game.
* OneSteveLimit: Taime, the 2nd Chin Brother in the arcade version, shares his name with the enemy character Chin Taimei from the previous games. If it's unclear if he's meant to be the same guy or someone who just happens to have the same name, which in any case leads to...
* RelatedInTheAdaptation: ...the NES version ditching the Taime from the arcade version of making Seimei into the younger brother of the Taimei from the previous games.
* SpellMyNameWithAnS: His name is one letter shorter in the arcade version due to space constraints.
* StoutStrength: He's very fat, but very strong.
* WolverineClaws: His optional weapon in the NES version.

[[folder:Oyama Brothers]]
A trio of karate masters who appear in the arcade version of ''Double Dragon 3'' consisting of Masao (1P), Kunio (2P) and Akira (3P).
* AdaptedOut: Not present in the NES version. Instead, Ranzou serves as the Japanese representative of the heroes in the NES version.
* ColorCodedMultiplayer: Masao wears white instead of blue usually reserve to the 1P characters.
* FragileSpeedster: The fastest playable character.
* NoCelebritiesWereHarmed: Named after Mas Oyama, legendary karateka who created his own style.
* ShoutOutThemeNaming: Kunio, the 2nd Oyama Brother, shares his name with [[VideoGame/KunioKun Technos Japan's school delinquent mascot]].

The third Lee brother who appears in the arcade version of ''Double Dragon 3''.
* AdaptedOut: None of the console ports allowed up to 3 players, so naturally he had to go.
* ArtifactTitle: With Sonny, the Lee Brothers are now the Triple Dragons.
* TheBusCameBack: Returns in ''Double Dragon IV'' after a 27 year absence since his arcade debut.
* DependingOnTheArtist: While in-game Sonny is a palette swap of Billy and Jimmy, the cabinet art for the U.S. version depicts him wearing a yellow tank top with grey pants.
* ColorCodedMultiplayer: Was introduced so that a third player could play as a Lee brother.
* FlatCharacter: His relation to Billy and Jimmy is never actually made clear.
* KamehameHadoken: His special move in IV is to shoot a Fireball.
* OneSteveLimit: He co-exists alongside the similarly-named Urquidez brother Sunny.
* PaletteSwap

The first boss. He's actually the brother of Willy, who seeks his brother's defeat in the previous games by leading the Neo Black Warriors against the Lee brothers.
* AvengingTheVillain
* BadassBiker

[[folder:Li Chenglong]]
A Chinese martial arts who confront the Lee brothers for the first Rosetta Stone in the arcade version.
* AdaptedOut: Chin Seimei replaces him as the second boss in the NES version.
* BruceLeeClone: A much more blatant example than Billy and Jimmy themselves

[[folder:Yagyu Ranzou]]
A ninja master who fights the Lee brothers in Japan for the second of the three Rosetta Stones. In the NES version he joins the player's party after being defeated.
* AdaptationalHeroism
* DefeatMeansFriendship
* FragileSpeedster: He's the fastest playable character, but has the least HP out of the four playable characters in the NES version.
* HeelFaceTurn
* {{Ninja}}

A warrior dressed in gladiator gear who fights the player in the fourth stage of the arcade version.
* AdaptedOut: Replaced by an unnamed Urquidez Brother in the NES version.
* AmazingTechnicolorAdaptation: He reappears in Mission 5 with gray skin.
* BladeOnAStick: Uses a double sided glaive to beat his opponents, it gives him alot of range.

[[quoteright:24:http://static.tvtropes.org/pmwiki/pub/images/Brett_6990.gif]] A student of the Lee brothers who is attacked by the Neo Black Warriors.
* CanonForeigner
* DubNameChange: Named Aldo in the Japanese version.
* HisNameIs: Brett tries to tell the Lee brothers that [[spoiler:Hiruko]] is leader of the villains, but dies before he can do so.
* WeHardlyKnewYe: He just gets introduced in his death scene.

* BaldOfEvil: He's the only character with a shaved head, and is the main grunt of a villainous biker gang.
* TheGoomba: Gibson is the most common and easy to defeat enemy.
* KnifeNut: Gibson is the only enemy to carry the Knife weapon.
* ThoseTwoBadGuys: He and Robinson often come in pairs.

* BarbarianLongHair: Robinson has long unkempt hair and is a barbaric biker.
* GrievousBottleyHarm: He almost always comes with a beer bottle.
* ThoseTwoBadGuys: Robinson tends to accompany Gibson.

* CanonForeigner: The arcade version had no female mooks.
* DelinquentHair: She is drawn with a mohawk in the Japanese manual, but looks more like a rattail within the game.
* KnifeNut: Throws limitless small daggers. Unlike Gibson's knife, this cannot be picked by the player characters.
* SuspiciouslySimilarSubstitute: To Linda from the first two games.

!Introduced in Super Double Dragon
* AsskickingEqualsAuthority: He's one of the toughest bosses, and high ranking due to his skills
* DemotedToDragon: In the Neo-Geo game, he's Shuko's right hand man.

!Introduced in the animated series
[[folder:Shadow Master]]
* BifurcatedWeapon: His scythe can split into a sword and a smaller scythe
* BigBad
* EvilSoundsDeep
* EvilUncle
* NiceJobFixingItVillain: If not because Shadow Master ordered to kill Jimmy, he wouldn't have turned to the side of good.
* SinisterScythe

* ScaryBlackMan
* TheStarscream

* AnIcePerson: His body looks like ice, though he doesn't seem to manipulate ice.
* EvilGenius
* NumberTwo: Shadow Master's most important lieutenant in the series.

* BlindAndTheBeast: Jawbreaker befriends the Samantha (Commissioner Briggs' blind daughter) after kidnapping her under the Shadow Master's orders in "The Sight of Freedom". When Icepick orders him to "[[NeverSayDie eliminate]]" the girl, Jawbreaker rebels against the Shadow Warriors and rescues her.
* HeelFaceTurn

* TheDragon: He is actually the third in command, but since Icepick mostly remains at the lab, it's Sickle who is left in charge for the field missions.
* KnifeNut: Subverted since, despite two huge blades being his WeaponOfChoice, he's afraid of knifes.
* MasterOfDisguise

* ArmCannon
* {{BFG}}
* SuspiciouslySimilarSubstitute: To Willy, who was written-off in the second episode.
* TriggerHappy: It's his name after all.

!Introduced in Double Dragon V
* EyepatchOfPower
* NamesTheSame: With Blade from the ''VideoGame/StreetFighterTheMovie'' arcade game. Coincidentally, they're both dressed like the {{mook}}s from their respective source materials.

* DemBones
* NamesTheSame: With [[ComicBook/InfinityInc Mr. Bones]] or [[{{Series/Bones}} Temperance "Bones" Brennan]]. Of course, it's very easy to get this trope with a single-word name.

* TheDragon: In the ''V'' game.
* {{Expy}}: To Linda
* PunnyName: "Dominique" sounds kind of similar to "dominatrix", and she looks like one.
* WhipItGood

* DarkActionGirl
* DistaffCounterpart: To Blade in terms of character designs, since they both wear the generic Shadow Warrior uniform.

!Introduced in the movie

[[folder:Koga Shuko]]
* BigBad
* CanonImmigrant: He made his way into the Neo Geo fighting game, retaining his BigBad position.

!Introduced in the Neo-Geo game

* AsianRuneChant: His super move, the ''Onmyo Bakuen Satsu'' (Yin-Yang Burning Kill).
* {{Expy}}: He looks very similar to Yagyu Ranzou from the third arcade/NES game.
* {{Ninja}}

* DrunkenMaster

[[folder:Patrick Dulton]]
* EagleLand
* ShoutOutThemeNaming: His names, hairstyle and dress sense probably reference Dalton, [[Creator/PatrickSwayze Patrick Swayze's]] character in [[Film/RoadHouse Road House]].
* SpellMyNameWithAnS: The manual for the Neo-Geo version spells Dulton as "Dalton."

[[folder:Eddie Jenkins]]
* ScaryBlackMan

[[folder:Rebecca Brielle]]
* ActionGirl

!Introduced in Neon

The BigBad of ''Neon'', the [[NamesToRunAwayFromReallyFast intimidatingly-named]] Skullmageddon is a powerful [[{{Lich}} Super-Lich]] who leads the Shadow Warriors gang and kidnapped Marian because he wanted a date.

* [[spoiler:BattleCouple: With Marian during the first part of the final boss battle.]]
* BigBad: Marian's kidnapper, and leader of the Black Shadow Clan.
* BadBoss: It's PlayedForLaughs here.
* BadassOnPaper: There is quite a contrast between his appearance and immense power and his actual demeanor. He '''looks''' the part of a BigBad and a final boss alright. The first time you meet him, he is sitting on a throne, looking all intimidating... ''[[CrowningMomentOfFunny and then he speaks]]...''
* DemBones: A skeletal lich.
* EvilSorceror: Comes with the territory of being a lich.
* {{Expy}}: Arguably one of [[WesternAnimation/HeManAndTheMastersOfTheUniverse1983 Skeletor]]. It's mostly just his voice and skeleton theme.
* EyeScream: In the Continue screen, he stands in front of a chained Billy, preparing to poke his eyes out with his fingers.
* ImYourWorstNightmare: His BossSubtitles actually read "Your Worst Nightmare".
* LargeHam: Being a Skeletor expy, he is naturally both this and...
* LaughablyEvil
* LeaningOnTheFourthWall: Some of his comments. Especially in his villain song, the things he says when you pause the game when fighting him and his comments on how the battle is taking too long.
* {{Lich}}: And not just any simple lich, but a '''super'''-lich!
* MagicKnight: He can wield a sword with the best of them, and is also proficient at magic.
* NamesToRunAwayFromReallyFast
* NiceHat: And it doubles as a sharp projectile!
* NinjaPirateZombieRobot: Lich gang leader samurai [[spoiler:and an actual robot as Giga-Skullmageddon.]]
* [[spoiler: OneWingedAngel: His Giga Skullmageddon form.]]
* PungeonMaster: He makes enough bone-related puns to give [[VideoGame/{{Undertale}} Sans the skeleton]] a run for his money.
-->''Time to make a '''marrow''' escape! '''Bone''' voyage!''
* SkeletonsInTheCoatCloset: His preferred choice of wardrobe incorporates skulls and bones, loads of them.
* SlouchOfVillainy: During his intro.
* VillainSong: He sings [[https://www.youtube.com/watch?v=70xKxKr0N3Q the ending credits]].
* WeWillMeetAgain: At the end of his VillainSong.
-->''I'll return one day to antagonize you, Billy and Jimmy!''

!Introduced in Double Dragon IV
[[folder:Casey and Shannon]]

* BigBadDuumvirate: Of ''IV''.
* FinalBoss: They're the final opponents of the game. [[DualBoss Both of them are fought at the same time]].
* HeelFaceTurn: [[spoiler: Unlike other villains in the series, Billy and Jimmy actually spare their lives upon defeating them and they actually turn good.]]

A kunoichi hired by the renegades to defeat the Lee brothers.

* BareYourMidriff.
* DiscOneNuke: she can throw shurikens. And in the hands of a player, she can deal with the strongest characters from a safe distance. However, the shurikens are limited (unless you lose a life) and her stamina is below average, see FragileSpeedster below.
* FragileSpeedster: she's the fastest character in the game, but she can't take too many hits (moreso if her opponent is Abobo or Burnov).
* MsFanservice: have you noted how [[https://www.arcsystemworks.jp/dd4/ well-endowed]] is her spirte? Even for 8-bits?
* SmokeOut.