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->''"Just another day in the life of a boy."''
-->-- '''First Season ThemeSong'''

Johnny Test is an AnimatedSeries featuring the eponymous [[KidHero 11-year-old hero]] and his "super talking dog", Dukey, and their various crazy exploits thanks to Johnny's older twin sisters' [[MadScientist Mad Science]]. Created by [[Series/NedsDeclassifiedSchoolSurvivalGuide Scott]] [[Series/BigTimeRush Fellows]]. Character sheet found [[Characters/JohnnyTest HERE]].

Not to be confused with ''WesternAnimation/JonnyQuest''.
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!!''Johnny Test'' provides examples of:
* AbsurdAltitude: An amusement park ride meant to deter Johnny from having an amusement park at his house.
* AccidentalPublicConfession: The Moonsies do a Type 2 when Johnny and Dukey see their plans to invade the Earth; it's a Type 2, because although Johnny and Dukey ''see'' the plans, they don't understand them because they can't read Moonsie.
* AIIsACrapshoot: When Susan and Mary build boy-borgs to make Gil jealous, they become * very* possessive of the twins.
** Later happens to Johnny's new smartphone in "iJohnny", and the Super Smarty Pants.
** Pretty much ''anything'' that the girls make with A.I. will turn evil save for something that Johnny's supposed to immediately break.
** Also anything the military makes in Area 51.1, like the look-alike cyborgs in "Johnny Johnny" and the super soldiers in "Johnny X Strikes Back Again".
* AirVentPassageway: [[LampshadeHanging Lampshaded]]: "When did your dad install these giant ducts?"
* AliensSpeakingEnglish: The Vegans from Vegandon; this, of course, is {{Lampshade|Hanging}}d.
* AllAnimalsAreDogs: Repto Slicer likes to chase sticks and rubber balls.
** A giant vicious space lizard who tries to eat the kids just wants a belly-rub.
* AllCGICartoon: Post-ChannelHop.
* AllJustADream: Rock-A-Bye Johnny.
* AlphaBitch: Janet Nelson Jr.
* AmbiguouslyGay: Dukey has shown a few signs of it. The very first time he was shown, he was wearing biker leather and enjoying it. Also, when he nonchalantly explains male dominance and let's not forget when Susan and Mary brainwashed him in that one episode. One time he was turned into a cheerleader and said that he felt pretty and, of course, Seńor Smoothy-Buns.
** More so Gil. In one episode, Johnny dresses as a girl and Gil doesn't notice him. He stated once how he didn't like cookies but ''loved'' Johnny. He only really pays attention to Johnny and not really anything else.
*** Actually he seems to be bi. In the sleepover episode he chases after Jilian, the "hot green haired girl", much to Susan's dismay.
** The Mole People.
* AndZoidberg
-->'''Hugh Test:''' I have such brilliant children! And Johnny.
* AnimalSuperheroes: Super Dukey.
* AnimalTalk: Dukey can speak to animals regardless of what species they are.
* AnimeHair: Johnny himself of course.
* ArchivedArmy: Johnny brought back several historical figures, including Attila the Hun and a caveman, to create the most powerful hockey team.
* ArtEvolution: Season 1 is significantly different compared to the rest of the series.
** Which is due to switching from traditional animation to Flash: the first season was animated at Warner Bros but budget cuts from the merger of the CW and the WB forced the animators to a new studio (CookieJarEntertainment) and format for the second season.
* AscendedExtra: Montague Mouse, who debuted as a gag character in a season four episode to playing a part in several episodes later.
** Interesting example with Hank Anchorman in season 2 and beyond; he appeared as a one-off character in "Johnny's Pink Plague" in season 1, then became a recurring character in season 2 [[YouDontLookLikeYou with his previous design replaced]] by a human version of the unnamed robot anchorman in "Sonic Johnny", who was also a one-off character. Two one-off anchormen merged into one!
* AsideGlance: After Dukey shouts [[GettingCrapPastTheRadar "I LET YOU RIDE ME LIKE A HORSE!"]], Johnny gives the audience one of these.
* AttractiveBentGender: [[http://i1.ytimg.com/vi/WFxO5mEqr4g/0.jpg "Too much female growth hormone."]]
* AuthorAppeal: Gender-bending and crossdressing (usually of the male-to-female kind) play ''huge'' roles in many episodes.
* BatmanGambit: A trap set by Dukey to capture Johnny's EvilTwin requires that the Good Twin reveal the trap to the evil one and the evil twin to step contemptuously over the trigger - at which point he steps right into a ''different'' trap.
* {{Blackmail}}: [[IncrediblyLamePun No, not Mr. White]]. Johnny does this to his sisters if they don't need a favor, but he wants something from them.
* BlatantLies: Dukey is "a kid with a [[http://en.wikipedia.org/wiki/Hypertrichosis rare hair disorder]]".
** "Did I say I was eleven? I meant... eighteen!"
* BlahBlahBlah: Johnny does this quite a lot.
* BeeBeeGun: The Bee Keeper.
* BelligerentSexualTension: Between Johnny and Sissy.
* BeTheBall: Happens to Johnny in the Turbo Time Rewinder episodes; the person doing it evens says the trope's name.
* BewareTheNiceOnes: Dukey.
* BigRedButton: While controlling a fake monster, Dukey keeps telling Johnny not to push the red buttons they see.
* BigNo: Uttered in quick succession by Susan, who is horrified about the prospect of dating Bling-Bling, Johnny, who is about to be hit by a golden laser, and Dukey, who *really* didn't want to place himself in the way of danger to save Johnny.
* BizarroUniverse: Johnny and Dukey shrunk down beyond the atomic level and arrived in a reversed Porkbelly.
** In a later episode they end up in Leadbelly, a genderbent version of Porkbelly where Johnny naturally falls for his female counterpart.
* BodyHorror: Often the result of Mary and Susan's experiments on Johnny.
* ABoyAndHisX: Johnny and Dukey, natch.
* BreadEggsMilkSquick: A few listings of possible side-effects from tests usually are this.
-->'''Mary:''' ...oooor [[YourHeadAsplode your head could explode]].
* BrokenGlassPenalty: One episode goes through all the variants of this trope when Johnny accidentally ticks off a [[CrazyCatLady crazy]] man in one episode, and goes through a variety of completely pointless and ever more complex plots to try and get the ball back.
* ButtMonkey: Susan, at times.
** Eugene (Bling-Bling Boy) is this [[IneffectualSympatheticVillain ALL]] [[TheWoobie THE]] [[PunctuatedForEmphasis TIME.]]
** Poor, poor Dukey gets it the worst of all of them.
* CallingYourAttacks: [[VoluntaryShapeshifting Shapeshifting]] Powers Go!
* CanadaEh: The moon episode and "Johnny Mustache". Also, the series itself is affiliated with Canada.
* CardCarryingVillain: All of them.
* CatchPhrase: Multiple. Includes "Whooooa... DidntSeeThatComing", "Ooh, so close," and "Say wha?"
** Susan and Mary: "We are such geniuses."
** Everyone in the Test household at one time or another: "To the lab!"
** "Did that dog of yours just talk?" "No!"
* CatsAreMean
* ChangingClothesIsAFreeAction: "Johnny Johnny"
* ChekhovsGun: The incinerator that Janitor Dukey uses to burn trash throughout the wood shop episode. Guess how they stop the rampaging turbo-wood-bench.
--> '''Johnny:''' Incinerator! Coooooool. Can we burn something?\\
'''Dukey:''' Maybe later.
** There was also Hugh's terrible cookies in one episode, in which Johnny mentioned tasted worse than dirt; later on, when warthogs attack Porkbelly, the gang uses the cookies to send them back to eating dirt in the desert, which again, tastes better.
* ChildHater: Wacko, who is ironically a toymaker for children. The products he usually builds are designed to get them out of his life.
* ChuckCunninghamSyndrome: Remember Janet Nelson Jr.? Nobody in Porkbelly seems to.
** Also used with Tim Burnout for awhile, but he has returned twice.
** BBB's Cyborg lady-servants Ms. X and Ms. Z. Last seen delivering Baby Bling Bling to the Test house.
* CityOfAdventure: Porkbelly.
* CloneDegeneration: The reason why robotic clones of Johnny do not obey commands.
* ContinuityNod: In the episode 'Who's Johnny?', before the final sequence returning Johnny to his original personality, Johnny changes personalities contained in his genetic code every time he gets hit; one personality he gets is of a dog, with the same design when the girls altered his DNA to make him a dog in an early episode.
* CowardlyLion: Dukey.
* {{Crossdresser}}: In Episode 41a: "Join the Johnny Scouts", Johnny becomes a Girl Scout and tries to sell 1,000 boxes of cookies to get a new bike. His father is clearly uncomfortable with this and Johnny tells him that "you said you'd love me and accept me no matter what", but he is using this situation to bribe his father into buying the last 37 boxes of cookies.
** Gil also buys a box of cookies because: "I hate those cookies, but I love you Bro-man!".
*** Not that kind of love. He asks Johnny earlier in the scene what's different about him. Johnny deadpans "I'm a ''girl''.", and Gil goes "[[CompletelyMissingThePoint Nooo, that's not it]]."
** He also does it in "Take Your Johnny to Work Day" and does so again in "Johnny Dodgeball", albeit that time it was reluctantly.
** Also in the episode where Mr. Mittens was introduced and Johnny and Dukey were tricked into it.
** Not that other characters don't do it too. Let's see, Dukey's done it, Gil's done it, Mr. Black's done it, etc...
* DangerouslyGenreSavvy: [[DarthVaderClone Dark Vegan]] in his second appearance. Almost every trick Johnny and his friends use to try to stop him, he's prepared a counter-move. He even has the foresight to disable the ship's [[SelfDestructMechanism self destruct button]] to prevent his [[RebelliousPrincess daughter's]] attempt to help Johnny.
** Someone has read the EvilOverlordList.
* DeadpanSnarker: Dukey, Jillian.
* DeliberatelyMonochrome: "Johnny Swellville" when Johnny and Dukey are in the 50s.
* DemotedToExtra: Janet Nelson Junior was Johnny's supposed {{love interest|s}} in the first season until Sissy Blakely came along. Last seen as a background character.
* DependingOnTheWriter: Can apply to many members of the cast, particularly secondary characters. Mr. Teacherman, Johnny's teacher, can either be a ReasonableAuthorityFigure who is only hard on Johnny because he wants him to succeed, or a SadistTeacher who will do anything to make Johnny get into summer school.
* DickDastardlyStopsToCheat: Brain Freezer in the WackyRacing episode. His racing partner asks why they are doing this when their car is literally the fastest one in the race.
* DidntSeeThatComing: Parodied in the form of a RunningGag. You can hear the line in almost every toon, usually after some form of "plot twist."
* DidntThinkThisThrough: Along with the above, alot of the sheninagans happens because Johnny or the Twins (or both) don't have the foresight to think of the bad sides to a lot of their plans.
* DisappearedDad: Not once has Bling Bling's dad been mentioned.
* DistaffCounterpart: The whole show, to WesternAnimation/DextersLaboratory; Red-haired geniuses, blonde sibling breaking experiments, etc; even the parents on both shows somehow look alike, especially the dad.
** This could be because Chris Savino, who was the main director for seasons 3 and 4 of ''Dexter's Laboratory'', worked on ''Johnny Test''.
* TheDitz: Gil.
* TheDragAlong: Dukey.
* DudeShesLikeInAComa: Susan and Mary want Johnny to invite Gil over for a sleepover so that they can kiss him while he sleeps; on a similar note, Bling Bling insists that Johnny invite him as well so he can kiss Susan while she sleeps.
* DumbBlonde: Gil.
* EpisodeTitleCard
* EvenEvilHasStandards: When Zizrar plots to steal the Porkbelly Library, he send the authorities a letter warning them about what he's doing after the setup is complete because although he wants to make the humans stupid, he doesn't want to hurt anybody.
* EverybodyLaughsEnding: A number of episodes, but the third season ending is notable for the villain of the piece joining in the laughter until he [[LampshadeHanging lampshades it]]. Then he swears revenge.
* EverythingsBetterWithPenguins: Subverted as the penguins in one episode start taking over the world due to global warming.
* EverythingsWorseWithBees: In the episodes ''Johnny Bee Good'', ''Johnny Holiday'' and ''Irresistable''.
* EvilLaugh - Both Johnny and Susan used one at certain times; a person whom the SSGA is monitoring has one as well.
* ExpositoryThemeTune
* {{Expy}}: A parody of {{Fred}} appears in an episode involving the characters trying to find instant fame from posting videos online like him after seeing him become rich and get a movie; in the end, they see the character's movie is terrible because its only gimmick was he had a squeaky voice.
* FacePalm: Dukey does this. A lot.
* FantasticVoyagePlot: See IncredibleShrinkingMan entry below.
* FeminineWomenCanCook: In the episode "Johnny Daddy Day", it is shown that Johnny's [[{{Workaholic}} super-busy working mom]] Lila and [[TeenGenius genius inventor sisters]] Mary and Susan have no experience in cooking whatsoever. They aren't even sure what a spatula is or does. Under the guidance of Johnny (who took a cooking class to get an easy A grade), they manage to make a meatloaf for Hugh for Father's Day, only for it to [[LethalChef come alive and attack him]].
--> '''Mary and Susan:''' We... might have used too much DNA.
* FlamboyantGay: Nobeard and his pirate group, as well as the Mole-People.
* FluffyDryCat: This happened to Dukey after he fails to thwart an evil pair of paints who have taken over the titular character's mind.
* FMinusMinus: ''Extra Credit Johnny'' and Johnny's Z-, and later ZZ-.
* ForgottenBirthday: In the episode "Bath Time for Johnny", Dukey thinks that Johnny forgot his birthday.
* FourFingeredHands: [[LampshadeHanging Lampshaded]] two different times. Once when Susan waved her pinky around when trying to indicate the number four on one hand and other when the General up another finger on the other hand to represent the number three.
* FreakyFridayFlip: Hugh and Johnny complain that the other has an easier life so to prove it, they switch bodies with Mary and Susan's help; at the end of the episode, after they've learned how hard each others' lives are and switch back, Susan and Lila get into the same fight and switch places as well.
* FriendlyEnemy: Johnny is on surprisingly good terms with his RoguesGallery when they're not trying to destroy him. GoKartingWithBowser examples aside, he's also gone to them for help now and again. Bling Bling Boy once mentioned that he liked Johnny, seeing a lot of himself in the boy. And then there's the time Johnny tried to get Brain Freezer a girlfriend.
* FreudianTrio:
** Johnny: Id (the reckless one)
** Dukey: Superego (the sane one)
** Susan & Mary: Ego (the experimenters)
* GenderBender: Quite a lot, even from the very first episode where Susan and Mary have him test 'Hottie Body flakes' which turns him into an attractive teenage girl for a few seconds before turning into a giant ugly girl monster.
** The next time it was so prominent was when the girls deliberatly turn their brother and dog into muscular twenty something Roller Derby competitors. The device was even called the gender bender.
* GenderFlip: It's been described as "WesternAnimation/DextersLaboratory but with the genders reversed. Also there's a dog."
* GeneralRipper: Played for comedy. The General ''really'' likes missiles.
-->'''Johnny:''' The military would ''never'' fire at us in a heavily-populated area! \\
'''General:''' FIRE ON THE HEAVILY-POPULATED AREA! [[MacrossMissileMassacre * missiles* ]]
* GenreSavvy: But often too late for Johnny.
** In "Johnny Get Your Gum", The unnamed (AmbiguouslyAsian?) female member of [[MeaningfulName Mr. Wacko's]] (also unnamed) board has apparently read the EvilOverlordList:
-->'''Board Lady:''' You ''do'' realize, sir, that [[UnspokenPlanGuarantee you just told]] Johnny your entire plan?\\
'''[[GenreBlindness Mr. Wacko:]]''' No matter.\\
(''later, as Johnny and Dukey are in a DeathTrap'')\\
'''Board Lady:''' Shouldn't you stay, sir, and make sure he doesn't escape?\\
'''Mr. Wacko:''' [[LampshadeHanging Real villains]] [[TemptingFate never stick]] [[GenreBlindness around!]]\\
[[spoiler: [[CaptainObvious They do escape]].]]
** When did we land in a bad [decade] [genre] [medium]?
** When Johnny and Dukey are transported into a fantasy story and called [[TheChosenOne Chosen Ones]], Johnny reassures Dukey that they'll win because Chosen Ones always win; subverted when it turns out to be a simulation and they were playing against Susan and Mary, but he gets points for trying.
** Johnny in a recent episode: when he wins a cruise in a contest he never entered, he instantly realizes it's probably a trap and comes CrazyPrepared (and, without them knowing, makes sure ''everyone else'' was as well); naturally, he was right.
* GoKartingWithBowser: The Test siblings regularly engage in various forms of races with [[AnIcePerson Brain Freezer]], [[CatsAreMean Mr. Mittens]], [[EvilOverlord Dark Vegan]], and [[LargeHam Bling-Bling Boy]]. The prize? Being able to [[AWinnerIsYou call yourself Super Champion of the World]].
* GroundedForever: Johnny's dad threatens to ground Johnny and his sisters FOREVER! One of the sisters reminds him that he can't ground them past 18, [[VerbalBackspace so he says he'll ground them UNTIL 18]].
* GuineaPigFamily
* HarmlessVillain: Bling-Bling Boy.
** Dark Vegan was a serious threat in his first and second appearance, but later [[VillainDecay got downgraded into this.]] FridgeBrilliance: He no longer has an invasion fleet to command.
* HartmanHips: Sissy. You wouldn't really notice it the first time you look at her.
** Johnny when he's turned into a girl for a few seconds in the 1st season intro and the first episode.
* HeelFaceTurn: Bee Keeper in the holiday episode.
** Also Bling-Bling Boy whenever Susan is in danger.
** Brain Freezer seems to have dropped his evil ways since taking a level in handsomeness.
* HeterosexualLifePartners: Mr. Black and Mr. White.
* HotSkittyOnWailordAction: When travelling back in time, a woolly mammoth becomes enamored with Dukey. [[HoYay There is no indication what gender the mammoth is.]] A later episode plays the trope closer to its namesake as a sperm whale has a crush on Dukey as well.
* {{Homage}}: ''Franchise/{{Pokemon}}'', ''WesternAnimation/TomAndJerry'' and ''Franchise/ScoobyDoo'' have been parodied. The latter of the two has Johnny repeatedly [[LampShadeHanging lampshading]] the fact with "I know I've seen this before!".
** Nevermind that Johnny X and Super Dukey's outfits have similar colour schemes to Blue Falcon and Dynomutt.
** ''Franchise/StarWars'', of all things, has also been parodied via the terrifying villain, Dark VEGAN. Funnily enough, he's voiced by [[Creator/JamesArnoldTaylor Obi-Wan]] [[WesternAnimation/StarWarsTheCloneWars Kenobi]].
** Don't forget the {{Homage}} to ''Film/MenInBlack'' with Mr.Black and Mr. White.
** Johnny Cart Racing is a homage to ''WackyRaces'', complete with the villain team (Brain Freezer and Mr. Mittens in place of Dick Dastardly and Muttley) stopping when in the lead to try and keep the others from finishing with nefarious schemes. This was also lampshaded by an increasingly frustrated Mr. Mittens.
** As well as the old Wile E. Coyote cartoons, with Johnny and Dukey as the Roadrunner(s) and Bling Bling as the Coyote.
** The episode "Old School Johnny" parodies the first ''and'' the third ''Film/BackToTheFuture'' movie.
** A whole episode referenced the works of Creator/DrSeuss.
** [[ACharlieBrownChristmas Good Old Johnny Test]]
* HumiliationConga: Bling Bling gets one in ''Johnny Cruise''. After his plan to get Susan [[GoneHorriblyWrong Goes Horribly Wrong]] and nearly gets everyone killed (which was pretty unhinged to begin with, even for him), Johnny forces him to personally perform every job on the entire cruise for his family in a rather humiliating manner. However, in this case, it was well deserved.
* HypocriticalHumor: While using a machine that turns base metals into gold, Hugh Test yells at the girls for inventing such a device.
* IdenticalStranger: Johnny looks exactly like Princess Mirabelle, so the SSGA gets [[{{Crossdresser}} him to take her place]] when the princess goes missing.
* {{Identical Twin ID Tag}}s: Susan and Mary's hairstyles and glasses.
* IJustWantToBeNormal: The reason [[spoiler: Princess Mirabelle]] goes missing.
* IKnowYouAreInThereSomewhereFight: Dukey tries to reach the uncorrupted part of Johnny's brain after the Super Smarty Pants have taken most of Johnny's brain over.
* IncestSubtext: Mary gives Johnny quite an infatuated look after they make him into a pheromone ridden stud magnet. [[{{Squick}} "You really are adorable, Johnny."]]
* InTheFutureWeStillHaveRoombas: The many varieties of robots Susan and Mary create.
* IronicEcho: Johnny makes a speech to guilt Dukey into going on a field trip because Johnny needs parental supervision to go; Dukey then uses almost the exact same speech to get Johnny to help free some animals later in the episode.
* ITakeOffenseToThatLastOne: Inverted.
-->'''Susan:''' What does she have that we don't?\\
'''Johnny:''' A gorgeous face, a perfect tan and strong white teeth.\\
'''Susan:''' Hey! We have... strong white teeth!
* AnIcePerson: Brain Freezer.
* IdiotHero: Johnny.
** Not really, Johnny actually isn't that stupid... just really, really immature: he usually can outsmart his sisters/parents if sufficiently motivated; his sisters even comment in one episode that he's actually pretty smart.
* IncredibleShrinkingMan: Down past atoms into a BizarroUniverse.
* InsideAComputerSystem
* InsistentTerminology: Bling-Bling Boy does not like being addressed by his real name, Eugene.
* IntellectualAnimal: Dukey.
* ItTastesLikeFeet: [[LethalChef Johnny's dad]] was experimenting with healthy cookies and had Johnny try one. Johnny proclaims that the cookies taste like dirt. Johnny's Dad then produces a plate of dirt and [[AbusiveParents insists that Johnny eat some for comparison]]. Johnny does and [[InsultToRocks apologizes for saying the cookies taste like dirt, because the dirt tastes *better*.]]
* KentBrockmanNews: Hank Anchorman.
* KidAnova: So far, the 11 year old Johnny has managed to charm the class tomboy, the school's [[AlphaBitch queen bee]], an alien RebelliousPrincess five years older than him, and a cute DaddysLittleVillain [[spoiler: (literally, since she turned out to be the villain, not her dad)]]. And possibly [[HoYay Gil]].
* KidsShouldntWatchHorrorFilms: Johnny and Dukey, after several attempts, get an M-rated game; [[spoiler: they get nightmares after they play it.]]
* LabcoatOfScienceAndMedicine Johnny's sisters wear lab coats
* LampshadeHanging: Consistently applied. Particularly in the episodes that spoof various Hanna-Barbera toons.
-->'''Johnny:''' I ''know'' I've seen this somewhere before.
* LargeHam: So many. Johnny, Dukey, Bling Bling Boy, Brain Freezer just to name a few.
** [[WorldOfHam Easier just to say everyone in the whole show]].
* LawOfDisproportionateResponse: Dukey dumps large amounts of water onto a neighbor's cats because one of them scratched him the other day; of course, Dukey's [[AnimalJingoism a dog so he feels disliking cats is part of his job.]]
* LaserGuidedKarma: To the point where there is [[InWhichATropeIsDescribed an episode about it]].
* LeaningOnTheFourthWall: "I ''know'' I've seen this somewhere before!". Said by Johnny in the ''ScoobyDoo'' and ''WesternAnimation/TomAndJerry''-inspired episodes.
* SorryILeftTheBGMOn: Done in "Tom & Johnny", with the home network music player providing the musical background for the ''WesternAnimation/TomAndJerry''-inspired antics.
* LethalChef: Hugh Test.
** Subverted in that he does seem to be competent, as long he avoids experiments and meatloaf; sadly, he loves meatloaf...
** Johnny seems to believe 'Mint Chip' ice cream is made of Mint, Potatoe chips, rocks and salt (instead of rock salt).
** In "Johnny Daddy Day", the rest of the Test family manage to become these. (see the FeminineWomenCanCook entry above)
* LethalJokeItem: In a fighting game called [[SoulCalibur Sacred Sword IV]], there is a JokeItem called the building block sword that Dukey claims is powerful if you know how to use it; [[SubvertedTrope Dukey, however, does not]] but Johnny, through the course of the episode does figure it out and defeats Sissy Blakely with it.
* LiteralSplitPersonality: Susan and Mary remove Johnny's negative brain plasma and it grows into an EvilTwin
* LongTitle: The Say-Goodbye-To-Johnny-Blow-Out Bye-Bye-A-Palooza-Jamfest Super-Send-Off Party Jam.
* LongRunners: By the standards of Cartoon Network, at least. Six seasons long, and the first show ever on Cartoon Network to come close to cracking 200 episodes.
* LoopholeAbuse: In the first episode Dukey points out to Johnny that Hugh told him "touch [his camera] and die", after which Johnny states he's not ''physically'' touching it, since he's operating it using a stick.
* LostAesop: "There's a lesson in all this, but ''darn'' if I know what it is."
* LoveMakesYouCrazy: Mary and Susan, when it comes to Gil; Smartpants when it comes to Johnny.
** Also this exchange from the episode "Johnny Cruise", after Eugene reveals his plan to deliberately sail a cruise ship full of passengers into an iceberg so that he can heroically and romantically rescue Susan as it sinks:
--> '''Johnny''': ''Are you nuts?!''\\
'''Eugene''': Close, I'm in love.
* MadScientist: Mary and Susan, Bling-Bling Boy, Brain Freezer
* MadeOfExplodium: The [[TemptingFate non-explosive]] water snake and when racing Johnny through the woods, [[spoiler: the stuff Susan and Mary make out of natural things.]]
* MamaBear: Lila Test.
* MeaningfulName: Hank Anchorman.
* TheMenInBlack: Mr. Black & Mr. White.
* MidBattleTeaBreak: While "playing" a game of Uncle where each person beats the hell out of the other to get them to say "Uncle", Johnny, Dukey, Susan and Mary stop in the middle to have snacks.
* MysteryMeat: Johnny's dad's horrible meat loaf recipes. Doesn't just serve meatloaf by itself, he also serves it in burritos, tacos, etc. Every proclamation of Mr. Test's meatloaf for dinner is met with screams of horror from his family.
** One episode hints that there isn't anything in there that can be remotely called meat. He doesn't seem to try and hide that either.
* {{Narcissist}}: Johnny.
* NegativeContinuity: Averted, as the characters do call back to previous episodes; in fact, the third season finale uses this as a plot point.
* NerdInEvilsHelmet: Dark Vegan comes off as a parody of this.
* NeverSayDie: Played straight for the most part, but weirdly averted in "Johnny's Royal Flush" where [[spoiler: a gator is heavily implied to have been chopped up in Porkbelly's sewer system and turned into luggage]]
** The actual word "die" - not to mention the word "kill" - is averted, however. Johnny's enemies always wants to "destroy" him.
** What about in "Deep Sea Johnny" when [[spoiler: it was implied that the octopus was killed and served as sushi]]?
** Also in "Johnny Testosterone" Mary and Susan mention their dad will Kill them if anything bad happened with Johnny.
* NiceJobBreakingItHero: At least half or more of the problems in the series were caused by Johnny, one of his sisters' inventions GoneHorriblyWrong (or [[GoneHorriblyRight right]]) or a combination of the two; in 'Johnny Test in Black and White', the General explicitly states that the Test siblings have caused more damage to Porkbelly than [[ArsonMurderAndJaywalking floods, earthquakes, and summer music festivals.]]
* NicheNetwork: "The Nutz Channel. We're all nuts, all the time."
* NoCelebritiesWereHarmed: Bill Humanguy sounds like Creator/WilliamShatner
** King Rummytumtumtum Sounds like ChristopherWalken
* NoIndoorVoice: Seriously. In later seasons, the characters yell ''frequently.'' [[JustifiedTrope To be fair]], would you calm down if the Earth's rotation stopped or a villain tries to turn every creature into cats?
* NonstandardCharacterDesign: Speed [=McCool=] and his sidekick Monkey look jarringly more realistic than the other characters.
* NoodleIncident: Several. Occasionally used as {{Blackmail}} by Johnny or a reason they can't do an experiment without getting in trouble with Dad. For example, experiments somehow resulted in a gigantic Johnny bursting out of the roof of the Test house and shooting lasers from its eyes...''twice''.
* ObliviousToLove: Gil in regards to Mary and Susan.
* ObviouslyEvil: One shot character Larius Nefarious; hell, it's the whole reason the SSGA decide to investigate him. [[spoiler: As it turns out, ''his daughter'' was the evil one.]]
* OnceAnEpisode: "Whoa. Didn't see that coming." Dukey lampshaded this at least once.
* OnlySaneMan: Dukey.
* OverusedRunningGag: "Whooooa, DidntSeeThatComing."
* PackedHero: Subverted. Johnny and his friends visit an ice cream factory, and Johnny's dog is thought to have fallen into the vat and been packed into a tin. After Johnny eats his way through the entire batch, the dog walks up to him and asks Johnny what he's doing.
* PaintedTunnelRealTrain: In an episode with [[ShoutOut Shout Outs]] to old [[WesternAnimation/LooneyTunes Road Runner]] cartoons.
* PapaWolf: Hugh Test.
* ParkingProblems: The sisters' van is towed for parking in front of a fire hydrant.
* ThePasswordIsAlwaysSwordfish: Passwords set by Susan and Mary always include Gil's name.
** In the episode, ''Johnny Escape from Bling-Bling Island'', the password to one of the locks is "Susan".
** Apparently Mary and Susan realized this, because in another episode they changed the password(s). Yet Johnny, and even Lila, were able to figure it out, and it still involves Gil.
* PlotParallel: ''Dawg & Bone''.
-->'''Johnny:''' [[WhoWouldWantToWatchUs Who would ever watch]] [[HypocriticalHumor such a ridiculous cartoon?]]
* PowersAsPrograms: Johnny's ever-changing mutant powers.
** Among them: [[KillItWithFire Flaming]] [[{{Fartillery}} Power Poots]], [[VoluntaryShapeshifting Shapeshifting powers (GO!)]], and [[BlowYouAway Hurricane Hands]].
** "Teleporting is FUN!"
* PragmaticVillainy: The villains teamed up with Johnny Test in the SeriesFauxnale only because they can't take over the world if there's no world.
* ProfessorGuineaPig: Johnny, a rare ''voluntary'' example, and Dukey, rather less so.
** It's a fair exchange, since Johnny volunteers in return for getting his sisters to make him whatever gizmo he wants at the time. [[RecycledINSPACE So it's like]] [[WesternAnimation/TheFairlyOddParents Fairly Odd Parents]], [[RecycledINSPACE only that Johnny actually does something to earn his wishes]].
* ProtagonistTitle
* ProjectileToast: In one episode Johnny accidentally brings a Franchise/CrashBandicoot parody to life, who uses Johnny's toaster to shoot [[IncendiaryExponent flaming]] toast.
* PstandardPsychicPstance: Johnny uses this when wearing a helmet [[RealityWarper designed to telekinetically turn objects into weapons]].
* ThePsychoRangers: The Johnny Stopping Evil Force 5.
* {{Pun}}: The Bee Keeper's and Brain Freezer's puns related to bees ("''Bee'' afraid! ''Bee'' very afraid!") and cold ("Time to ''chill'' out!"), respectively. The latter is most likely a reference to Mr. Freeze from ''Film/BatmanAndRobin''.
* PunnyName: [[MarySue Mary and Susan]]... Johnny TEST?
* PuppyDogEyes: Used by Johnny on his family to go to a ski resort. Used by a whole bunch of kids including Johnny on a ski captain but it is subverted when "The Look" doesn't work.
* RecycledInSPACE: The show's core set-up is basically a [[GenderSwap gender swapped]] WesternAnimation/DextersLaboratory from Dee Dee's point of view; the parents' basic personalities seem to be gender swapped from that show as well.
* RedEyesTakeWarning: The Boy-borgs and Gil.
* RefugeeFromTVLand: Dawg and Bone from "Johnny Re-Animated".
* {{Revenge}}: A lot of Johnny's enemies are obsessed with getting revenge on him. And less on their own schemes. And most of their revenges are for their previous revenges being foiled by Johnny himself.
* ReversePolarity: Averted when Johnny uses a fruit revitalization ray to bring back Porkbelly's founding fathers as zombies because the ray only works on people halfway. Susan reverses the polarity on the ray to de-animate the founding fathers but it doesn't work because they're already sort of dead.
* RightOnTheTick: Subverted, as it wasn't really the start of summer vacation.
* RubeGoldbergDevice: Dukey builds one of these to trap Johnny's EvilTwin. Subverted when the EvilTwin figures out the trap and steps over the trigger... into the actual trap which is a covered hole in the ground.
* RumpRoast: One of the actions when Smarty Pants gets jealous about Johnny seeing other girls is that they get so hot in the rear area that Johnny has to jump out of them.
* RunningGag: Dukey is stated to have money saved up 'for a rainy day.' It's referenced commonly enough to be used as a plot point every now and then. Just ''how much'' he has saved up tends to vary wildly, though.
* SaltAndPepper: Subverted with Mr. Black (The white guy) and Mr. White (The black guy), whom seem to have little difference personality-wise.
* SarcasticConfession: Hugh Test angrily demands to know if Johnny lost his phone, so Susan tells their dad that they're looking for Johnny's phone with baseball bats because they want to smash it before it takes over the world. Which they are.
* ScrewYourself: In the episode "Johnny Alternative", it's strongly implied that Johnny has fallen in love with what is obviously a female version of himself.
* SelfDeprecation: "The Nightmare House! Super funny ending not included."
** Though that seems more like "you TOO can have this nightmare house, but it won't come with the SUPER FUNNY ENDING we have here!"
* SelectiveObliviousness: Hugh Test clearly chooses to ignore the fact that nobody likes his cooking, regardless of horror struck faces, audible gagging, running to vomit and being told to his face that his cooking is aweful. The most he ever said about people opinion of his food is "I'm beginning to think you people don't like my meatloaf."
* SensitiveGuyAndManlyMan: Johnny (macho) and Dukey (sensitive).
* ShipperOnDeck: In the episode 'Big Sister Smackdown', Johnny supports GilxSusan, while Dukey ships GilxMary. It's implied they're just egging the argument on [[PassThePopcorn for their amusement.]]
* ShoutOut: One episode has Johnny turned into a mouse, and the villain is a cat. [[WesternAnimation/TomAndJerry Predictability ensues]].
** One of the early episodes had a toy series called [[{{BIONICLE}} Roboticles]]. Coincidentally, Johnny's voice actor would later voice a character in the actual series, while some of the other voice actors have already been in other BIONICLE movies.
** At the end of "Johnny vs. Bling Bling 3", Johnny steals a page from [[Film/DieHard John McClane's]] book (specifically, "surrendering" with a weapon taped behind him).
** One one-off NPC is wearing [[SuperMarioBros Luigi's]] hat.
** [[WesternAnimation/PhineasAndFerb "Whatcha doooin'?"]]
** The sleepover episode turns into a [[Literature/TheCatInTheHat Cat in the Hat]] homage halfway through, with Bling 1 and Bling 2 running around with kites, a talking fish, and Creator/DrSeuss dialogue and gadget designs.
** In Johnny of the Deep, Bling Bling loses a ring that hypnotizes Susan into falling in love with him. [[{{Titanic}} When it falls overboard, he says "it was the rarest of gems."]]
** The episode where Bling-Bling gets his mission to destroy Johnny ends up as a [[WesternAnimation/WileECoyoteAndTheRoadRunner Road Runner]] reference, complete with CanisLatinicus scientific names for the character.
** "[[ScoobyDoo Johnny Dukey Doo]]"
** In one episode, Johnny gets a brown, bushy mustache; when questioned about his name, what does he say it is? [[MyNameIsEarl Earl.]]
** [[{{Fred}} Hi-Pitch Hal]]
** "Johnny Test's Quest" not only was the episode a direct reference to Johnny Quest (Including Mr.White dressing up in Hindi clothing.) but wouldn't be surprising if the episode was only made as an in-joke because the names sound similar.
* ShownTheirWork: The first Tinymon episode actually grasped a lot of Franchise/{{Pokemon}}'s mechanics:
** Cuddlebun = {{Magikarp|Power}}.
** Evolving by happiness.
** Screechereen is a combination of ([[VideoGame/PokemonColosseum Shadow]]) Lugia, the legendary birds, [[spoiler: Gyarados]], Mew (may or may not exist), Missingno (may or may not exist), and [[UrbanLegendOfZelda Pikablu, Nidogod, etc.]] (may or may not exist). Also, in general, flying Pokémon are superior for some reason.
** [[VideoGame/PokemonColosseum Stealing Tinymon.]]
** The second Tinymon episode contains reference to Digimon, with de-evolving and Jogress.
* SingleMindedTwins: The twins avert this but avoid being PolarOppositeTwins. They do not wear the same clothes and hair styles, and have different voices, but don't have exact opposite personalities. A very rare case of a cartoon making (relatively) normal identical twins.
* SingleTargetSexuality: Mary and Susan only have eyes for Gil. Eugene only has eyes for Susan.
** Inverted with Gil, who seems to love every attractive girl around his age ''except'' for Mary and Susan.
* SnarkKnight: Jillian, Darth Vegan's daughter.
* {{Snowlems}}: The Brain Freezer attacks Porkbelly with a whole bunch of them.
* SpaceWhaleAesop: The show throws an {{Anvilicious}} [[NewMediaAreEvil video games rot your mind]] Aesop by having Johnny be unable to stop thinking about inanimate objects becoming random monsters. Which would be completely unimportant if his sisters didn't get a "make imagination real" helmet stuck on his head.
** PlayedForLaughs at the end of "Johnny-itis", in which Dukey tells the audience to "never drink isotopes."
* SpoiledBrat: Surprisingly subverted. Johnny's attempts of getting his sisters' to help him through blackmail are balanced out (or possibly even caused) by his sisters' experimenting on him without permission. Been hinted to have happened since Johnny was a young child.
* SpoofingSpoofiness: Dark Vegan and the episode he debuted in, "Johnny Test in Outer Space", were parodies of Dark Helmet and ''{{Film/Spaceballs}}'' respectively, which in turn were parodies of Darth Vader and ''Franchise/StarWars''.
* SpotTheImposter: When the military builds a Johnny Cyborg, it invokes this trope to avoid being shot by Dukey.
* StatingTheSimpleSolution: Played with in the first episode with Mr. Mittens. His butler ask why his DoomsdayDevice needs a timer and instead of just setting it off now. The GenreSavvy Mittens explains it's to get him out of range so he can remain and continue to take care of him.
** Occurs more frequently with Dukey asking the BrilliantButLazy Johnny why he doesn't just do his assignments instead of trying anything but.
* StalkerWithACrush: Bling Bling Boy with Susan; Susan and Mary with Gil.
* StraightManAndWiseGuy: Dukey and Johnny, respectively.
* SureLetsGoWithThat: Susan and Mary use this when Hugh claims that Johnny is having an allergic reaction to the meal he made. The truth is that Johnny's brain has been devolved due to an experiment.
* TakeOverTheCity: Lampshaded when Mr. White & Mr. Black ask why the show's villains always seem to attack Porkbelly.
* TakeOverTheWorld: Every single villain wants to do it (since they're all parodies of ObviouslyEvil villains).
* TakeThatUs: When confronted with the cartoon "Dog and Bone" which has a near-identical premise to his life, Johnny simply asks "Who'd want to watch something like that?" before glancing at the fourth wall.
* TemptingFate: Any time ''anyone'' says "We're safe! We're all safe now!" is a cue to the universe that it's time to make them unsafe again.
* ThisIsNoTimeForKnitting: Johnny -- confronted by some giant moon-men -- hastily makes paper planes and throws them to poke the giants in the eyes, but not before Dukey scolds him for making paper planes.
* ThreeTwoOne: All the time.
* TickleTorture: Johnny, Albert, Susan, and Mary go through this by The Tickler, Wacko's twin brother. Subverted in Albert's case because e is not ticklish.
** FriendlyTickleTorture: Johnny and Dukey do this in the same episode before The Tickler captures Susan and Mary.
* TimeMachine: Susan and Mary designed a time machine in the shape of a tea house.
* TokenEvilTeammate: Bling Bling Boy is this just as often as he is the antagonist.
* TooDumbToLive: Johnny, especially in Johnnyitis.
** Gil, not just the fact he is completely oblivious to Susan and Mary's existence, but he once started a babysitting service despite he knows nothing about babysitting. (Jumping on a small pull-out couch with the baby-fied Susan and Mary, feeding them chili, and watching a horror movie in front of them) "Babies like chili right?"
* TotallyRadical: Like you wouldn't believe.
* TotemPoleTrench: Susan and Mary do this to get into a top secret lab. Johnny and Dukey use this to try and get past the ski captain to shred the Behemoth.
* TrademarkFavoriteFood: While meatloaf certainly isn't the favorite food of ''most'' Test family members, it's obviously the favorite of Hugh's - since he's making it every night.
** Described by Dukey as "dry as a desert muskrat."
** Dukey will do anything for steak.
** Dark Vegan and toast. He spends one episode trying to get home to Vegandon, only to find out there's no toast there. So he immediately returns to Earth. Another episode [[spoiler: he plans to destroy the home planet of the Rib-eye Knights because he can't keep from burning his toast. Once Johnny shows him how to do so, he immediately drops the plan and befriends the Knights.]]
* {{Trainstopping}}: Practically a RunningGag whenever Johnny X is involved; one episode took it into OverlyLongGag territory that culminated in [[LampshadeHanging "WHAT IS WRONG WITH THE TRAINS IN THIS CITY?"]]
* TwinThreesomeFantasy: Uniquely for this trope, it's the ''girls'' (Mary and Susan) who want this with Gil. They're always trying to make Gil [[GettingCrapPastTheRadar "fall in love with]] ''us''"!
** Though they seem to vary on whether they actually want to share him or not. Discussed briefly in the episode "Johnny Two-Face", where Johnny was given a second truth-telling mouth that revealed the uncomfortable truth the girls:
--> '''Mouth of Truth''': ...you're not ''smart'' enough to realize there's only ''one'' Gil and ''two'' of you. And you ''both'' can't have him. You know that, right?
* TyopOnTheCover: The title card of the episode "Johnny Get Yer Gum" actually says "Johhny Get Yer Gum."
** A possibly intentional in-universe example is "Game Galaxie".
* {{Uncanceled}}: Teletoon had ordered and shown new episodes after a year lull and recently Creator/CartoonNetwork has been showing these new episodes.
* {{Veganopia}}: Dark Vegan provides a TakeThat against this trope.
* WackyRacing: On four separate occasions, once for a go cart race, again as a boat race, again on lawn mowers and once more for a sled race.
** Five now, and in a ''VideoGame/MarioKart''-like setting no less.
* WellIntentionedExtremist: The Bee Keeper just wanted kids to eat healthily.
* WeirdnessCensor: Dukey often goes out in public in a cunning disguise to prevent people from realizing he's a talking dog. His disguise? A t-shirt that reads, "Not a dog."
* WeWantOurJerkBack: The subject of two different episodes. In one the change is forced on Johnny by his sisters, in another Johnny's personality is changed to more easily work with a classmate.
** Three, if you count the episode where Dad was replaced with a robot duplicate.
* [[WhereTheHellIsSpringfield Where in the World is Porkbelly?]]
** Between the various hockey references (including scenes of Johnny and other kids playing street hockey, and hockey apparently being Johnny's favorite sport), and its closeness to the Canadian border in "Johnny Moustache", it's possibly in Minnesota.
*** According to the flag flying above the school in "Old School Johnny"... Ontario.
*** Most of the show was done by Teletoon, a Canadian company, so they probably got lazy and put it in Ontario; despite things like the CIA and the Area 51 knockoff, and the White House...
*** It wouldn't be the first time Teletoon moved a series from the United States to Canada when they took over it's production - see ''WhatsWithAndy''.
*** One episode includes a California flag for some odd reason. So... does this mean that the show is back in the US, or is Canada screwing with us?
** In one newer episode Johnny makes an excuse that Dukey is his relative from Canada so it seems it's set in the United States.
* WhoWouldWantToWatchUs: "Dawg & Bone" is an in-universe cartoon about a boy who has genius twin siblings and his dog and the adventures they have together. Johnny and Dukey consider the show lame.
* WildcardExcuse: Dukey the speaking dog is always "a kid with a rare hair disorder".
* WilliamTelling: One episode, "Dolly Johnny" has Johnny practicing shooting plungers at the apple perched on Dukey's head. He fails to hit the apple until he has to shoot something else that's more important.
* WithGreatPowerComesGreatInsanity: In the episode where the Test kids and Dukey play chess with the chess pieces brought to life, Johnny takes the role of the king. When he took a liking to chess, the title went to his head and the orders he made go from making moves on the board to terrorizing Porkbelly; this is known to the characters as "The King's Madness".
* {{Yandere}}: In one episode, Johnny asks his sisters for super-intelligence. He obtains a pair of pants, which become self-aware... and this.
** The girls create three robot boys to make Gil jealous. It works. In ''both'' directions.
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