''Troll'' is a 1986 [[BMovie B-Movie]] about [[AllTrollsAreDifferent Torok]], the [[ExactlyWhatItSaysOnTheTin Troll]] (no relation to {{ComicBook/Turok}} or [[Literature/TheBelgariad Torak]]). Directed by JohnCarlBuechler, this was misbranded as a horror movie, but it shares far more aspects with the UrbanFantasy genre, and in fact it works better when viewed as such.

The movie focuses on the Potter family. In case you are wondering, yes, there is a Literature/HarryPotter, two in fact (father and son), and this was ''way'' [[HilariousInHindsight before the books]]. Wendy Potter, the obnoxious little girl of the family, is abducted by the troll, who then takes her form and infiltrates into the family. For the rest of the movie, he takes advantage of the weakening of the magical barriers on Walpurgisnacht to turn the neighbours into plant pods to generate more trolls to take over the world. Anyway, Harry Potter Junior, played by a teenage NoahHathaway, realises his sister was replaced... after watching two sci-fi movies. [[WhatAnIdiot And even so, he thinks she's an alien]]. It takes a meeting with Eunice St. Clair to realise what is really happening, and then he solves everything.

It's worth noting that this movie '''has no sequels'''. The SoBadItsGood ''Film/{{Troll 2}}'' is actually an Italian movie with no relation whatsoever to it, and has goblins instead of trolls. The two ''Troll 3'' movies (original names being ''Creepers'' and ''Quest for the Mighty Sword'', respectively) are even less related; the first has no humanoid creatures or magic whatsoever, instead featuring radioactive plants, while the later does feature a few trolls/goblins/whatever but it was meant to be part of the ''[[Film/TheBladeMaster Ator]]'' series.

!!Tropes present in Troll:

* BigBad: Torok, the troll trying to summon the fae upon the Earth.
* BiggerOnTheInside: The apartments achieve this as a result of the RealityWarping going on
* BookDumb: Duke considers this a mark of pride: he thinks reading books is unmanly
* BrainlessBeauty: Harry Potter Junior (played by Noah Hathaway, who at the time aged quite nicely since his role as [[Film/TheNeverendingStory Atreyu]]) is fairly nice looking, but comes across as rather stupid.
* BrownNote: The horn Eunice blows to shut the singing faeries up.
-->'''Eunice:''' That oughta give those little ''suckers'' something to think about!
* CoolOldLady: Eunice, once she and Harry Jr. start getting to know each other.
* DeadpanSnarker: Eunice
* DolledUpInstallment: The so called "sequels" were all original movies renamed in order to look like sequels to this movie. Considering [[SugarWiki/NeedsMoreLove how famous this movie is]], one has to wonder ''why''.
** ''Troll'' grossed well in 1986 for a BMovie, and had name recognition in the late 80's.
* TheEndOrIsIt: [[spoiler:The cornerstone to Torok's world is destroyed and the world collapses around him. Then, as the cops are investigating, Torok grabs one, presumably to take his form.]]
* EverythingsBetterWithPrincesses: Somewhat subverted; Eunice was a princess, but she decided to become a witch.
* ExactlyWhatItSaysOnTheTin: ''Troll'' features '''one''' troll. The rest are TheFairFolk.
* {{Fanservice}}: It really just depends if you're either into girls running around wearing nothing but leaves covering naughty bits or into teenager boys showing their naked torsos, but either way you will be satisfied. An in-universe case for Torok, who stares at [[spoiler:the body of the girl he turned into a fairy/elf/whatever]].
* TheFairFolk: Torok began his evil ways when he was still an elf (he was turned into a troll for punishment), and after mistaking a midget for an elf [[spoiler: he turns him into an actual elf]]. He also [[spoiler: turns a woman into some sort of fairy that lures her boyfriend]], and it is slightly implied Eunice may be a fairy.
* {{Foreshadowing}}: Harry Potter Sr.'s crack that the "apartment fairies" helped put things away
* GreenThumb: One of the few times not only a villain has it, it also doesn't fall into GoodPowersBadPeople because of the way it is used.
* HorrorDoesntSettleForSimpleTuesday: Walpurgisnacht.
* IdiotPlot: [[invoked]] The New York Daily News review noted that some movies were for 13 year olds, and other movies were for morons - and that ''Troll'' was for [[BreadEggsBreadedEggs 13 year old morons.]]
* JerkAss: Peter Dickinson, who hates kids, is rude to Harry Potter Sr. (admittedly because his first interaction with him is after having been trampled by the latter's children running around the building while the fire alarm is going off) and who thinks he's a lot smoother with the ladies than he actually is. Duke is a lot nicer, except for the fact that [[BookDumb he thinks reading is for pansies and liberals]]
* JerkWithAHeartOfGold: Eunice is a bit abrasive at first, but soon warms up to Harry Potter Jr.
* KidHero
* LittlePeopleAreSurreal: Averted somewhat with Malcolm, who seems like a fairly regular guy for an English professor...he just happens to be about 3 feet tall. All of the other short people in the movie are actual supernatural creatures.
* MeaningfulName: Aside from the presumably coincidental "Harry Potter" thing, Sonny Bono's character is named Peter Dickinson, the name of a fairly prominent fantasy writer
* OhCrap: Eunice wears a good one when her own mushroom faerie joins in on the ''Cantos Profanae''.
* OneWordTitle
* OurDemonsAreDifferent / OurGargoylesRock: A gargoyle/demon thing attacks our protagonists in the end.
* PetTheDog: Torok does care about the little girl, and so [[spoiler: he kills the demon/gargoyle thing mentioned above]]. He also [[spoiler: turns a person suffering from cancer into an elf]].
** [[spoiler: Killing the creature that attacked Wendy has nothing to do with his caring about the girl. He can't allow her to be harmed because her death would basically make the new faerie kingdom he was trying to create implode. She was the keystone for the whole thing.]]
* Really700YearsOld: Eunice. Notably, she can look younger than she does (and does do so once she goes hunting for Torok) but she chooses to look like an old woman (although significantly younger than the centuries she must be)
* RealityWarping: Seems to be a side effect of the ring's transformation process although from the transformed perspective it's RealityWarpingIsNotAToy.
** It isn't a side-effect, it's part of what Torok is plotting. He's trying to recreate a faerie kingdom in the apartment building, so that he can have another go at what got him turned into a troll in the first place.
* ShoutOut: One of the faeries is [[Film/CreatureFromTheBlackLagoon the Gill Man]].
* SpawnBroodling: Although the plant pods seem to be the same people that are killed, with a different body, it otherwise fits since they become rather mookish.
* {{Transflormation}}: The troll turns the apartment building's residents into plant pods in order to create more trolls.
* TroublingUnchildlikeBehavior: Turok-as-Wendy will often do and say things that are very bizarre for a young girl to say and do (generally when around Malcolm), but no one aside from Harry Jr. seems to notice
* WhenDimensionsCollide: Torok's intended plan. First turn all the apartments into pocket dimensions that once complete would expand and absorb the outside universe.