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YMMV: Invader Zim
  • Accidental Innuendo: "The Dib! The Dib! I don't care how delicious he is, he's evil!"
    • "Gaz, taste me! I'm delicious!"
  • Alternative Character Interpretation: Zim, Dib, Gaz, Prof. Membrane and almost every Jhonen Vasquez character. They have too much psychological complexity.
  • Base Breaker: Gaz isn't universally despised, but the people who do dislike her dislike her quite strongly. To her fans, she's a funny, tough, scary but badass force of nature everyone on the show thinks twice about crossing. To her detractors, she's a selfish, cruel, vindictive hypocrite who lashes out without responsibility or remorse.
  • Big Lipped Alligator Moment:
    • In "The Girl Who Cried Gnome" there was an incident where Zim let loose a "Robot Gopher" to get rid of a girl scout that had wandered up to his front door selling cookies. After burrowing underground and trapping the girl's foot in a hole the Gopher proceeds to dance with her and then flew away into a swirling vortex leading to another dimension.
    Zim: "I don't remember programming that..."
    • In "Gaz, Taster of Pork," Dib goes to MacMeaties and talks with a hobo. But wait for it... he spontaneously kidnaps a poor guy eating there. We never see the hobo again.
    • And then there's that Ham Demon in the Tak episode. Shows up for one scene, fights Zim, never mentioned again.
      • Actually, Zim does mention it later, saying he got some important photos from it.
    • The infamous dancing skeletons in top hats from the Halloween special.
  • Crazy Awesome:
    • Professor Membrane, so very much. He has a switch that restores power to the entire earth, flies and shoots energy blasts when excited, builds and refuses to use a perpetual energy device on a whim, etc.
    • Dib and Zim piloting Mercury and Mars, respectively, as ships in a space battle for the continued existence of mankind.
    • GIR is made of Crazy Awesome.
  • Crosses the Line Twice: The whole damn show crosses the line like it wasn't even there.
    GIR: Puppies!
  • Cult Classic: It's been cancelled 10 years and still gets decent money from merchandise. Not to mention the huge, still-alive fanbase.
    • Just to drive the point home: to commemorate the 10th anniversary of the show's debut, fans recently held the first "Invader Con", which is exactly what it sounds like - an entire convention dedicated to the show featuring several of the voice actors as guests.
  • Darkness-Induced Audience Apathy: Given how massively bleak the world is, and the constant failures of the protagonists, it's possible Jhonen invoked this on purpose.
  • Designated Villain: Sizz-lorr, who only does his job and retrieves Zim to give him the punishment he deserves for fleeing the Irken authorities. What the show tries to do to make him look like the Big Bad of the episode is his Evil Laugh and his super accuracy of keeping Zim from finding any escape routes.
  • Draco in Leather Pants: Zim does get a lot of this. See Misaimed Fandom, below.
  • Ear Worm:
    • The Doom Song.
    • Not to mention, "Bow down, bow down, before the power of Santa, or be crushed, be crushed, BYYYYYYYYYYY his jolly boots of doom..."
    • And the theme song! Doo-doo-doo-doo-doo, doo-doo-doo-doo-doo, doo-doo-doo-doo-doo-doo-doo-doo...
    • The credits theme seems to get stuck in my head as well.
  • Ensemble Darkhorse:
    • Tak's only in one episode (and an unrecovered script), but in fanfic she often gets billing as a main character. She is the only significant female Irken. Counselor Dwicky from "Vindicated" is similarly popular.
    • GIR is popular to an absolutely absurd degree. To go by merchandising, not only is he the most popular character in the show, his popularity might actually exceed the show's, as people have been known to buy GIR memorabilia despite having never seen Invader Zim. As the creators themselves put it, "America loves GIR!"
    • Keef and Gretchen also have become rather popular. Albeit not the level of Tak and Dwicky.
    • The show itself could be thought of as one on a larger scale. It got canned ten years ago and only lasted for a season and a half, but it's one of the most popular Nickelodeon shows of all time.
    • Despite her fairly minor role, Invader Tenn has a bit of fanart.
    • Tallest Miyuki is another fanart favorite, and her debut episode never even got made.
  • Evil Is Sexy: Zim, Tak, and most of the Irken species. In Fan-Art at least...
  • Fandom Berserk Button: The issue of "Vort" v "Vortians". Technically, only the former is in the actual show. "Vortian" did show up in an unproduced script, but it's possible that was just a mistake that was overlooked. It's also possible that both are considered fine. But there are some purists on the issue of "Vort" being the only acceptable term.
  • Fanon: Fan depictions of Professor Membrane's wife (if he has one) usually depict her as looking like Gaz to explain why Dib resembles their father but Gaz does not.
  • Fanon Discontinuity: "Gaz: Taster of Pork" gets this treatment quite a bit, due to the Idiot Plot and both Dib and Gaz acting out of character.
  • Foe Yay:
    • Mostly fanon "ZADR".
      • "Mopiness of Doom", though never animated, was full of this.
    • Sort of gets a look in the series with Dib and Tak, as he was stated to like her (though he may have meant platonically) and offered her some of the valentines given to him by Gretchen. She, of course, is a ruthless and competent female Irken who shares his hatred for Zim (if not exceeds it) but is planning to conquer/destroy Earth herself as part of her plan to discredit Zim. However, she only showed up in one episode and Dib seemed to lose any attraction to her after discovering she is also an alien invader.
    • Also, according to some, the Tallests. Although nobody knows what exactly their relationship entails...
  • Fountain of Memes: The whole show, but just about every word that comes out of GIR's mouth is a meme.
  • Hell Is That Noise: Unsurprisingly
    • "Dark Harvest" gives us the sound of a pigeon cooing - warning you that Zim is nearby and is going to try and steal your organs, replacing them with something else...
  • Hilarious in Hindsight:
    • In one episode, Zim catches Dib sneaking around his house in a squirrel disguise. After Dib runs off, Zim yells a parting insult to him, calling him "Squirrel boy!" Several years later, Zim's voice actor would go on to voice the titular character in the series Squirrel Boy.
    • This, when you consider the internet meme involving trollface an "u jelly?"
      Dib: You're just jealous...
      Zim: This has nothing to do with jelly!
    • Pretty much everything, if you've played Psychonauts. A short, goggle-wearing character voiced by Richard Steven Horvitz, dealing with a paranoid security guard, wearing goggles, enjoys setting things on fire, and screaming about meat? There's also Zim trying to justify his green skin with "a skin condition" and Psychonauts' cast featuring several green, blue, and purple-skinned characters.
    • Almighty Tallest Purple was voiced by Kevin McDonald. A year later, he would be voicing another wacky alien in a science fiction story.
    • Zim's species' skin seems to burn by water. One year later Signs comes out.
  • Hype Backlash: As it is with everything popular, there's always a couple of people who think the show is overrated.
    • The most common accusation is that fans of Zim are all hyperactive "I'm so random" 12-year olds who only like the show for Gir. This certainly isn't true - there are many other older, more mature fans out there who appreciate the show for its Black Comedy, social satire and manic absurdist style. And Gir.
  • Internet Backdraft: And how. Operation Head Pigeons was first started on Facebook, and still remains a group as Operation Head Pigeons 2.0. Nickelodeon says that they've never seen a fanbase as hardworking as them. They've most likely triggered a DVD release, and through whatever miracle, possibly could revive the show. (Though this idea seems to be on the backburner now.)
  • Jerkass Woobie:
    • Zim, for some. Dib for some more, though he'd be easier to argue as a regular Woobie.
    • Gaz can count as this depending on your interpretation. See Alternative Character Interpretation.
    • Tak. Because that moron Zim ruined her chances of any respect from the Tallest, she gets treated horribly as a result.
    • Sizz-Lorr. He merely does his job as the Frylord and was left with all the dirty job because Zim decided to flee to get to the Mission Impending Doom II ceremony.
  • Jerk Sue: Gaz, who constantly treats her brother like shit despite all the times he's tried to save her, is shown to be one of the smartest characters on the show, goes around bullying and terrorizing people for petty reasons like games and pizza, never develops in any way, has no weaknesses,and never has to face any consequences for her actions, might as well be the poster child for this trope.
  • Magnificent Bastard: Tak and occasionally, Zim.
  • Misaimed Fandom:
    • Some of Zim's fans have the tendency to play him up as The Woobie while entirely glossing over the whole "Kill All Humans" thing. Rather than an unstable loose cannon who often fails due to a tendency to shoot himself in the foot, he's depicted as intentionally harmless. On occasion Mary Sue has been known to help Zim on his mission to conquer the Earth.
    • The larger Irken Empire often gets this treatment too, perhaps on the basis that Evil Is Cool.
  • Moe: Of all the characters, Gir is probably the one who manages this the most.
    • Also, the imprisoned alien in "Abducted!"
    • Heck, even Zim and Dib can manage to be this on occasion, especially of the Adorkable kind.
  • Moral Event Horizon:
    • Zim's attempted murder of Dib in "Bad, Bad Rubber Piggy" does it for some. It's not really the worst behavior he's ever demonstrated, but the rapt, gleefully anticipatory look on his face as he watches the life go out of Dib's eyes — with accompanying flatline beep — is creepy on a personal level that he doesn't often reach.
      • Others can say when in Hobo 13, Zim sacrificed everyone on his team to advance himself to the fortress of pain.
    • Arguably, Gaz in "Dibship Rising", when she used a device to try wiping out all mankind.
      • In "Ten Minutes to Doom", with the help of Zim, she went after Dib, not because Zim was dying, but because she believed that Dib stole her video game (even though it was really Zim).
  • Narm Charm: Since approximately 99% of the series is played for ridiculous, surreal laughs, when things do get serious it can get away with saying things that would seem totally ridiculous in any other show:
    Dib: Wait, Zim! Promise me you're on our side this time.
    Zim: I know not of sides, Earth Stink, but just this once I agree with you. The hamster must be stopped.
  • Nausea Fuel:
    • "Career Day", "Rise of the Zit-Boy", "Dark Harvest", the turkey dude's lucky neck meats in "The Sad, Sad Tale of Chickenfoot"... speaking of which, the scene where a guy's eating soggy french fries out of a tub full of dirty dishwater grosses out Jhonen himself.
    • "Halloween Spectacular of Spooky Doom." Just... that. *shudder* In fact, Squick is what resolves the entire episode.
  • Neutral Selfish: Gaz.
  • Never Live It Down: Though the series-wide references to Dib as insane probably don't help it, nor the Parental Neglect, the bulk of Professor Membrane's reputation as an abusive parent probably comes from the Halloween episode, where he blithely lets Dib be sent to an insane asylum when Dib is not crazy, just suffering side-effects from using Professor Membrane's prototype trans-dimensional viewing device, something that Membrane himself admits exists.
  • Nightmare Fuel: An absurd amount of it.
  • Paranoia Fuel: "Bad, Bad Rubber Piggy". You could get hit with the effects of debilitating accidents and have no idea why.
  • Periphery Demographic: Teenagers and young adults love Zim, which was targeted at 8-to-11-year-olds (not that you could really tell from the content).
  • Replacement Scrappy: Possibly and Probably what the unused character "Louie" would have become had Nickelodeon allowed Dib to be Killed Off for Real in the episode "Bad,Bad Rubber Piggy". In the original ending, Zim was supposed to successfully kill Dib by causing a series of horrible accidents in his childhood, and as an ironic twist, a new kid named Louie would show up who was exactly like Dib and be Zim's new nemesis. In the edited ending, Dib does still die, but his super scientist father reconstructs his corpse into a Powered Armor suit and he hunts Zim down (ala RoboCop), forcing Zim to hit the Reset Button. Probably a shining example of Tropes Are Not Bad regarding Executive Meddling; not only would the cold blooded murder of a child not go through too well on a kids' network, but regardless of the demographic, nobody likes watching a main character of any show be killed off in a random episode and be immediately replaced.
  • Ron the Death Eater:
    • Dib gets this treatment in fanfic a lot — having his nastier impulses cranked up to the point of being an outright Torture Technician, and being portrayed as a bully that "picks" on Zim (when the balance of power goes the other way entirely). It's a common assertion that he is xenophobic to the extreme and only hates Zim because he's an alien, and must be assumed to have no actual sympathy or compassion for his fellow human because he does hope for personal self-gain in opposing Zim, when most episodes make it clear he'd like to better humankind and himself.
    • Professor Membrane is also a frequent target. In canon he is a very neglectful and sometimes insensitive parent (what with the tendency to call his son "insane" to his face), and has at least a few jerky acts under his belt, but he does genuinely love his kids, which is most notably shown in Bad, Bad Rubber Piggy, where Dib's near-death experience causes Membrane to bring him back to life and encase him in a Giant Mecha "exoskeleton" to keep him safe. In fanon, he can be depicted as outright malicious and abusive to his children, particularly Dib.
    • To round out the family, Gaz is also a frequent target. In the improbable but common "Bad Future"-style fics where Zim (somehow) has the backing of the Irken army and has taken over Earth, she's very likely to have sided with the invaders out of selfishness or misanthropy. She also on occasion has her abusive tendencies towards her older brother exaggerated beyond recognition.
    • Torque Smacky is a weird case. In the few scenes he appeared in, he never really did anything mean to Dib, but in fanfiction he is almost always derailed into a Jerk Jock who delights in kicking around Dib and/or Zim like a football.
    • Mr. Dwicky from "Vindicated" gets quite a bit of flak for supposedly lying to Dib and abandoning him. While this is partially true, for the most part Dwicky was shown to be a nice guy who only "lied" to the boy so he could get to know what his real problem was. He also only went with the aliens at the end of the episode, because he, like Dib, was obsessed with Aliens as a child and couldn't resist the opportunity to travel the stars with them.
  • Seasonal Rot: Some consider the later episodes ("Mortos Der Soul Stealer", "Zim Eats Waffles", "Gaz, Taster of Pork" which is considered to be the weakest episode of the show.) to have suffered a significant drop in quality.
    • Of course, Mortos did have this memorable gem...
    Zim: You can eat later, Gir.
    • And "The Most Horrible X-Mas Ever" turned out to be pretty awesome.
  • Selfish Evil: Zim on occasion.
  • Selfish Good: Dib in the earlier episodes. All he seemed to care about was to capture Zim and prove that aliens are real, before caring about the world more.
  • Sending Stuff To Save The Show: The fan group Operation Head Pigeon spammed the Nickelodeon executives using phone calls and message boards. The group has prompted a Zim marathon, putting it back on Nicktoons, and a best-of DVD entitled "Operation Doom". If the DVD sells well, they hope more seasons will be greenlighted. Jhonen Vasquez has said that while he doesn't think the show will be brought back, he appreciates the group for giving hell to Nickelodeon.
  • Shipping:
    • Cargo Ship: Sort of an inversion. GIR seems to have sort of a little-kid crush on Gaz. It's rather subtle though. Evidence for this can be found in the episodes "Bloaty's Pizza Hog" and "Tak, the Hideous New Girl".
      • GIR x Piggy, now it gets weird.
      • Same thing could be said for Zim/Gir as well. Yes, it exists.
    • Foe Yay Shipping: The most common (by far) pairing you will find is Zim/Dib. For many it's pure squick, but it's undeniably popular. Dib/Tak and Zim/Tak aren't too unpopular either, presumably for many of the same reasons that Zim/Dib is popular.
    • Idiosyncratic Ship Naming: Takes the form "_A_R" (for "X and Y romance"), with the blanks filled in by the first letters of the characters' names (e.g. ZADR for "Zim and Dib romance", or ZAGR for "Zim and Gaz Romance"). Made somewhat problematic by the fact that several characters' names start with the same letter.
    • No Yay: Those who don't care for Zim/Dib tend to slot it here. Let's leave it at that.
    • Robo Ship: GIR/Mimi, Tak's SIR unit.
    • Ship Mates: Most of the time, when there is fanwork in which the main couple is Zim/Gaz, authors tend to include some Dib/Tak, as well.
    • Ships That Pass in the Night: Zim/Gaz. The two of them have briefly interacted in only a few episodes and it's the second most popular pairing in the fandom and the most popular het ship.
    • Ship-to-Ship Combat: Mostly Zim/Dib vs Zim/Gaz vs Zim/Tak.
    • Toy Ship: Dib/Gretchen — based on her evident crush on him in "Tak, the Hideous New Girl." There's not a lot of fic for it, but there is some.
  • Squick: Up to Eleven. Spurting pus, dripping grease, and squishy organs. And one of these things is almost guaranteed to explode once in a while.
    • Dib had to clean up the spurted pus in Rise Of The Zitboy, which basically flooded the whole classroom. He had to do it with a tiny sponge. Don't forget, this was spurted alien pus.
  • Tear Jerker: See here.
  • Ugly Cute: GIR
    • Creepy Cute: GIR, but in an unnerving way, like a Creepy Child in a horror movie. Just those dead green-blue eyes...
      • Zim may qualify for some, particularly when his antennae droop and he looks sad.
  • Unpopular Popular Character: Dib is VERY unpopular in the show, but he has a huge fanbase. Crew member Eric Trueheart said this on his blog about Invadercon:
    "Speaking of Dib, Iím shocked at just how many girls like dressing up as Dib. Seriously, I saw a dozen female Dibs this weekend, and barely one male one. It seems like Dib has almost become some kind of butch-girl icon. I think thatís pretty cool."
    • Zim as well, he is essentially hated by his entire race and sent to Earth solely because the Irkens didn't even realize there was a inhabited planet that far out.
  • Villain Decay: Whether you consider Zim or Dib the villain, they both got considerably worse at their tasks as the series advanced; early episodes would usually have one best the other, while later many ended with them both of them enduring some terrible trauma.
  • What Do You Mean, It's for Kids?: One of the best examples.
  • The Woobie:
    • Dib could be seen as such, or a Jerkass Woobie.
    • The unnamed blob alien in Abducted. Its description of its suffering is ''almost'' a Tear Jerker.
    • Gir has had his moments.
    • Keef, if you think about it. Nobody likes him, but he's one of the only nice kids in Skool.
    • Zim can be seen as this, in a way - he is, after all, mentally ill and very unstable, and he genuinely wants to please his superiors. His manic egotism and megalomania can almost seem like a defense mechanism. This doesn't excuse him for his actions, but it is easy to understand the implications behind his behavior.

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