!!General
* ContinuitySnarl: Because Technos sold the license to pretty much anyone as long as [[MoneyDearBoy the pay was good enough]], most Double Dragon games and media contradict each other and introduce several characters who do not appear in any other media. In general, [=DD1=] and [=DD2=] are canon, and then [[BaseBreaker no one knows.]]
* SpiritualAdaptation: When they came out, the ''Double Dragon'' games were the best ''Manga/FistOfTheNorthStar'' games you could buy. It's ''not'' a coincidence that Billy and Jimmy looked like Kenshiro and Raoh, fought punks in the post-apocalyptic 199X, and ultimately became each other's greatest enemies.
!!The Video Games
* AntiClimaxBoss: Giga Skullmageddon in ''Neon'' suffers a good deal from this on higher difficulty levels: on Normal, he's a respectable challenge and about the right difficulty compared to the previous boss, but on higher difficulty levels he becomes vastly easier to kill since he mainly relies on having a high HP count but low defense: this means that since you basically need maxed out mix tapes to actually make it to him on Double Dragon difficulty, he'll take a lot more damage from your attacks than even basic enemies on earlier levels do and will go down that much more faster as a result.
* AudienceAlienatingPremise: The concept of ''Neon'' being an AffectionateParody. As soon as the bright colors and retro game lampooning reared their heads in previews, the gnashing of teeth could be heard for miles. Then people played the game...
* SugarWiki/AwesomeMusic: [[AwesomeMusic/DoubleDragon Here]].
* BrokenBase: Fans either ''love'' or ''loathe'' ''Neon's'' cheesy 80s vibe.
* EarWorm: In ''Neon'': "Follow me . . . Follow me . . ."
* EnsembleDarkhorse: Abobo. He even [[VideoGame/AbobosBigAdventure has a fangame that's one giant NES homage.]]
* GameBreaker: In the third NES game, both Lee brothers can [[BackToBackBadasses stand back-to-back]] and do the [[HurricaneKick Cyclone Spin Kick]] simultaneously. If done just right, you get a flashy new animation of their combined Cyclone Kicks. This "Double Cyclone Kick" does five times the damage of a single Cyclone Kick (roughly twice the damage of a throwing knife) and lets you mow down punks and bosses with relative ease. Just...make sure they both stay alive until the end.
** The Flying Knee Kick and Hyper Uppercut in the second NES game are both ridiculously overpowered, although the former requires some ridiculously precise timing to pull off properly: you need to hold left or right on the d-pad and then press B and A simultaneously while your character is crouching, which only happens after landing from a jump or while your character is recovering from a fall. Once mastered though, you can mow down mooks and most bosses with relative ease.
** The Elbow Attack in the original arcade game thanks to the easily duped AI. Normally the enemies in the game will be hesitant to approach you unless you turn your back on one of them, allowing you to catch them off-guard with the Elbow Attack, which has a decent range and always knocks the bad guys to the ground, regardless of who it is. In the second arcade game, the Elbow Punch's effectiveness is toned down a bit, but its still works to some extent.
** Chin in general. He can and will mow down enemies in around three hits.
* GoodBadBugs: The famous trick for skipping Stage 2's boss in the NES version of ''[=DD1=]''. Going far enough downstairs will cause Chin to be removed from the level data to save RAM, and the game counts him as being defeated once he disappears.
%%* HePannedItNowHeSucks: IGN's review of ''Neon'', which game the game a 3 out of 10, has received harsh InternetBackdraft from fans of the game.
* MisBlamed: The misspelling of Billy's name as "Bimmy" in the third NES game is not the result of BlindIdiotTranslation: the game's plot was completely rewritten from its original Famicom release. It's just your average typo.
** Incidentally, when ''Neon'' made a reference to this error with Bimmy and Jammy, they are referred to as "Mistranslated Mutants". This liberty was likely taken for RuleOfFunny.
* MoralEventHorizon: When Willy guns down Marian in the beginning of the second arcade game, he goes from being a mere kidnapper to a cold blooded murderer.
* NightmareFuel:
** In the PC Engine version of the second game, the [[BigBad Mysterious Warrior]] dissolves into a skeleton during the ending cutscene.
** The Mansion of Terror from the NES version makes the most of its short length with the spooky BGM and, inexplicably, a huge, sinister pair of eyes in the wall that periodically open up and stare directly at the player.
** The [[http://www.youtube.com/watch?v=6DnARPUYxhQ music]] that plays during the fight against player's own shadow doppelganger in the arcade version of the second game is very eerie and frightening. Not to mention that the doppelganger itself comes out of nowhere and no explanation is given for its existence.
*** The NES version of the [[https://www.youtube.com/watch?v=tUBp28E-jEM above theme]] is no less creepy.
* PortingDisaster: The game was ported to the ''Atari 2600'', of all systems. It's as playable as the game could possibly be on the 2600, but a beat-'em-up with only one action button leads to very shallow, repetitive gameplay and the difficulty is off the charts.
* {{Sequelitis}}: The arcade versions of the sequels. While ''Double Dragon II'' does improved upon the original, in the sense that it was actually an upgraded version of the original, but the increased difficulty, directional-based attack buttons, and recycled stage design turned many players off. ''Double Dragon 3'' on the other hand, [[TheyChangedItNowItSucks replaced the game engine completely]] (as it was farmed out to another team) and to top it off, the [[BadExportForYou U.S. version]] made the extra characters, special moves and weapons accessible via item shops that required the player to insert [[BribingYourWayToVictory actual credits into the machine]].
* SeinfeldIsUnfunny: Suffers from this quite a bit, even by beat-em-up standards. Many people who play a ''Double Dragon'' game for the first time nowadays will find it to be rather slow and tedious compared to the majority of other brawlers.
* SuspiciouslySimilarSong:
** The Heliport stage music in ''II'' sounds very similar to Phil Collins & Phillip Bailey's "Easy Lover"
* ThatOneBoss:
** Willy in the NES version of the original game, whose gun can quickly kill you in a few shots. It doesn't help that if you get killed at any point before defeating him, you're right back to fighting the twin Abobos.
* {{Woolseyism}}: The NES version of ''Double Dragon III'' underwent a complete rewrite during the English localization. Here's a [[http://koti.mbnet.fi/goutetsu/misc/doubledragon3_comparison.htm comparison]] between the Japanese and English scripts.

!![[Film/DoubleDragon The Movie]]
* DesignatedHero: Billy. The movie depicts him as a hot-headed, obnoxious screwup who essentially derails all of Marian's plans and only wins by sheer luck.
* EvilIsSexy: Linda Lash (Koga's leather-clad whip-wielding henchwoman).
** Shuko himself could count.
* NoProblemWithLicensedGames: While the film is generally loathed, the UsefulNotes/NeoGeo fighting game based on it is considered an underrated hidden gem of a fighter in the Neo Geo's library.
* SpiritualLicensee: ''Film/DoubleImpact'' is said to be a better live-action ''Double Dragon'' movie than the official ''Double Dragon'' movie.
* VideoGameMoviesSuck: The movie is a considered a textbook example of this trope, but some of the characters and plot elements from the movie were [[RecursiveAdaptation adapted]] into the ''Double Dragon'' fighting game for the Neo-Geo. And it had Alyssa Milano going for it, so it wasn't ''completely'' bad.
** On the other hand, the Creator/JeanClaudeVanDamme film ''Film/DoubleImpact'' seems to had been inspired by the games and it's an even more [[SpiritualLicensee faithful adaptation]] than the official ''Double Dragon'' film. Bolo Yeung, the actor who was the inspiration of Abobo's character design (so much that one of Abobo's head swaps is even named "Bolo"), even makes an appearance as a [[GiantMook giant henchman]] who throws oil drums at the heroes.
* WTHCastingAgency: The general opinion of the decision to have Scott Wolf play Billy.

!![[WesternAnimation/DoubleDragon The Animated Series]]
* AntiClimaxBoss: Shadow Khan, the vicious BiggerBad is built up to be a far bigger threat than the Shadow Warriors and when he's finally released he proves it by beating them all into submission and launching a massive attack on the Dragon Dojo. To defeat him the Dragons are forced to... [[AntiClimax have Daj sick a bunch of dogs and cats on him]]. Not even supernatural or mutant animals, just normal ones. What this says about the threat-level of the Shadow Warriors is up for debate.
* {{Anvilicious}}: This show is not big on subtlety. Every episode ends with a short PSA that literally tells you the message of the episode.
* BadassDecay: Shadow Khan's Terror Warriors take a sudden decrease in threat level the second time the Dragons face them. [[JustifiedTrope Justified]], as their first appearance ends with the Lee Twins getting armor specifically built to fight them.
** In season 1, Sickle is decently threatening to the Dragon Warriors, but in season 2 he gets DemotedToExtra with the result that the heroes start beating him easily.
* CreatorsPet: Daj appears midway through season 2 and suddenly ''devours'' the plot.
* EarWorm: The theme song. Seriously it's annoying, but it gets stuck in your head ''very'' easily.
* EnsembleDarkhorse: Jimmy, for being a snarky tough guy voiced by Creator/ScottMcNeil.
** Many of the minor Dragon Warriors are decently liked for at least having personalities and flaws, unlike Billy.
* GrowingTheBeard: Surprisingly, season 2 shows a lot of signs of improvement. The animation is generally smoother, there's genuine continuity and developing plotlines, more WorldBuilding, and much more characterization and development. It almost makes you wonder if the show could've improved even more in the unmade third season.
* TheScrappy: Billy, for being a bland and stereotypical good guy, in contrast to the more colorful Dragon Warriors.
** Daj, who drains screen time from the established characters, speaks with an incredibly annoying tone and accent, and has a ridiculous StoryBreakerPower that lets him basically save the day single-handed every time he appears.
* ShockingSwerve: Dai Lung's former master being an ''actual'' dragon. It's foreshadowed only briefly in the episode it happens and seems to happen for no reason.
* SoBadItsGood
* TheyWastedAPerfectlyGoodCharacter: Abobo and Willy, two of the few villains actually from the games, get trapped in the Shadow Master's mural after a single episode in favor of a bunch of original characters.
* TheyWastedAPerfectlyGoodPlot: The season 1 finale reveals that Shadow Master is the Lee Twins' uncle and that he kept his sister (their mother) sealed away rather than killed. You would think this would be a big plot point or at least give Shadow Master some depth, but it's never really brought up again and the reveal does nothing to change how either the Lee Twins or Shadow Master act.
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