[[center: [-[[Characters/HarryPotter Main Character Index]] | [[Characters/HarryPotterTheTrio The Trio]] | [[Characters/HarryPotterHarryJamesPotter Harry James Potter]] | [[Characters/HarryPotterRonBiliusWeasley Ron Bilius Weasley]] | [[Characters/HarryPotterHermioneJeanGranger Hermione Jean Granger]] | [[Characters/HarryPotterHogwartsStudents Hogwarts Students]] | [[Characters/HarryPotterGryffindor Gryffindor]] | [[Characters/HarryPotterSlytherin Slytherin]] | [[Characters/HarryPotterRavenclaw Ravenclaw]] | [[Characters/HarryPotterHufflepuff Hufflepuff]] | [[Characters/HarryPotterHogwartsTeachers Hogwarts Teachers]] | [[Characters/HarryPotterAlbusDumbledore Albus Dumbledore]] | [[Characters/HarryPotterSeverusSnape Severus Snape]] | [[Characters/HarryPotterMinistryOfMagic Ministry of Magic]] | [[Characters/HarryPotterOrderOfThePhoenixMembers Order of the Phoenix Members]] | [[Characters/HarryPotterDeathEaters Death Eaters]] | [[Characters/HarryPotterLordVoldemort Lord Voldemort]] | [[Characters/HarryPotterMuggles Muggles]] | [[Characters/HarryPotterMagicalBeings Magical Beings]] | '''Animals and Pets''' | [[Characters/HarryPotterOtherCharacters Other Characters]] | [[Characters/FantasticBeasts Fantastic Beasts]] | [[Characters/HarryPotterHogwartsMystery Hogwarts Mystery]] | [[Characters/HarryPotterOtherCanon Other Canon]]]]-]

!!Regular Animals

-->'''Portrayed by:''' Gizmo
-->'''Appears in:''' ''[[Literature/HarryPotterAndThePhilosophersStone Philosopher’s Stone]]'' | ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'' | ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' | ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''

-->'''Tom the Bartender:''' ''"Very smart owl you've got there. Arrived about five minutes after you did."''

Harry's faithful pet snowy owl, and aside from Hagrid, his first friend in the magical world.
* AmplifiedAnimalAptitude: Able to understand and carry out complex instructions far beyond the capability of normal animals. For example, Harry sends her out to bring back messages from his friends, with specific instructions to make sure those messages are of sufficient length (as he had been feeling left out of the loop lately). Hedwig attacks Ron and Hermione for not complying. She can also notice if the name on a letter doesn’t match the person to whom she’s asked to deliver it, as Harry tells her to disregard the name written on the envelope and just take it to Sirius. Not to mention a near-human ability to take offense to perceived slights.
* ArtisticLicenseBiology: Hedwig is a female, but only male snowy owls are pure white like she's described as being. Hence, the owls who have played her in the films are actually all male. Hedwig is often described as hooting, but [[http://www.youtube.com/watch?v=hghJ7Aym26M snowy owls bark instead of hoot.]]
** Could also possibly be explained by her being a magical bird. Maybe magical snowy owls are different?
* BerserkButton: Being locked in her cage for long periods of time pisses her off. Also, she doesn't like it when Harry is rude to her for whatever reason or when Harry uses another owl for messages.
* CoolPet: A white owl that's also a personal mail carrier.
* CrosscastRole: Her role was played by several male owls in the movies, due to the ArtisticLicenseBiology shown above.
%%* EmpathyPet
* HeroicSacrifice: [[spoiler:In the film version of ''Deathly Hallows'', she attacks a Death Eater chasing Harry and Hagrid, then flies into the path of a Killing Curse meant for Harry.]]
** This almost backfires on Harry when [[spoiler:the Death Eater who killed Hedwig identifies Harry as the real one because his pet protected him. Hence why Voldemort immediately attacks him afterwards.]]
* KilledOffForReal: [[spoiler:Along with Mad-Eye Moody during the Battle of the Seven Potters.]]
* MeaningfulName: [[UsefulNotes/PatronSaints St. Hedwig of Silesia]] is the patron saint of orphans.
* NamedAfterSomebodyFamous: Harry named her after someone he read about in ''A History of Magic''.
* {{Pride}}: Hedwig's notably vain, and bites Harry when he keeps her cooped up in her birdcage for too long.
* RedOniBlueOni: Blue to Pigwidgeon's red.
* SacrificialLion: [[spoiler:Her death marks the end of Harry's childhood, according to WordOfGod.]]
%%* {{Tsundere}}: Type A.
* UndyingLoyalty: Toward Harry. In the film version of ''Deathly Hallows'', she takes this trope to its zenith when [[spoiler:she tries to save him from the Death Eaters...at the cost of her own life]].

%%-->'''Appears in:''' ''[[Literature/HarryPotterAndThePhilosophersStone Philosopher’s Stone]]'' | ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'' | ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]''

%%The Weasleys' communal rat; he's handed down to Ron much to his embarrassment.
%%* ChekhovsGunman: Scabbers becomes of quite a bit of significance in ''The Prisoner of Azkaban'', serving to drive a wedge between Hermione and Ron among other things.
%%* TheDogWasTheMastermind: Well, not a mastermind, [[spoiler:but it turns out Scabbers was the main antagonist of ''The Prisoner of Azkaban'', a very much alive Peter "[[Characters/HarryPotterDeathEaters Wormtail]]" Pettigrew who framed Sirius for his crimes]].
%%* KickTheDog: Sirius Black does not treat Scabbers kindly.
%%* MomentOfAwesome: InUniverse. The trio aren't very much fond of Scabbers, but they all agree that Scabbers biting Goyle's finger was a true highlight of their Hogwarts experience.
%%* TropeyComeHome: Halfway through ''Prisoner'', Scabbers goes missing and is presumed dead, devastating Ron.

[[folder:Mrs. Norris]]
-->'''Appears in:''' ''[[Literature/HarryPotterAndThePhilosophersStone Philosopher’s Stone]]'' | ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'' | ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' | ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''
Argus Filch's RightHandCat. She seems to have a high enough degree of sentience to act as Filch's sidekick. Everyone who's not Filch considers her an annoying spy.
* AmplifiedAnimalAptitude: Mrs. Norris is capable of identifying when students are misbehaving and then running off to get Filch. Filch often speaks to her, calling her "my sweet", although it's not clear to what extent she can actually understand him. Mrs. Norris can apparently communicate back, although we never find out how. Maybe Filch [[SpeaksFluentAnimal understands "cat"]] and they have BilingualDialogue. The usual {{Fanon}} is that they have some kind of psychic connection.
* CatsAreMean: Played straight here; she actively warns Filch whenever students are doing anything he can punish them for.
* FormallyNamedPet: Mrs. Norris.
* MoralityPet: To Filch, who sincerely loves her, far more than any of his students
* NonHumanSidekick: She assists Filch in hunting down trouble-making students.
* RedEyesTakeWarning: She has red eyes in the first two films and in Goblet of fire.
* RightHandCat: To Mr. Filch
* ShoutOut: Named, by Rowling's own admission, for the character of the same name in Creator/JaneAusten[='s=] ''Literature/MansfieldPark''.

-->'''Appears in:''' ''[[Literature/HarryPotterAndThePhilosophersStone Philosopher’s Stone]]'' | ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'' | ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' | ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''

-->'''Draco Malfoy:''' ''"Okay. Then I get Fang!"'''
-->'''Hagrid:''' ''"Fine. Just so you know, he's a bloody coward."''

Hagrid's gigantic boarhound dog.
* AdaptationSpeciesChange: Fang is a boarhound/Great Dane in the books, but he's portrayed by a Neapolitan Mastiff in the movies.
* BigFriendlyDog: He warms up pretty quickly to Harry and his friends.
* DeathbringerTheAdorable: Fang is a huge dog that can be quite terrifying, so long as you know he's cuddly and loyal.
* KickTheDog: Quite literally - Fang gets hit by a Stunning Spell during Umbridge's attempt to fire Hagrid.
* LovableCoward: Fang's as nice as can be, but when faced with a cloaked figure drinking from a unicorn's corpse, he will not stay by your side.
* LoyalAnimalCompanion: To Hagrid, Harry and Ron.
* WhatHappenedToTheMouse: Whether or not Fang survived the battle of Hogwarts is unknown. As Hagrid showed no signs of mourning over him, it is presumed he is alive, though there has been no actual word on it.

-->'''Portrayed by:''' Crackerjack
-->'''Appears in:''' ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' | ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''

-->'''Ron:''' ''"There's something funny about that animal! It heard me say that Scabbers was in my bag!"''

Hermione's pet cat.
* AmplifiedAnimalAptitude: He is able to find Neville's list of common room passwords, understands enough English to understand Ron saying that Scabbers is in his bag, [[spoiler:knows how to freeze the Whomping Willow]], and knows right away that [[spoiler:dog!Sirius is not a dog.]]
* CatsAreMean: Subverted. While he's a bit of a {{JerkAss}} when he first appears, it's because [[spoiler:he knows Scabbers is Wormtail in disguise]].
* CatsAreSnarkers: [[https://www.pottermore.com/features/33-thoughts-crookshanks-must-have-had-during-prisoner-of-azkaban This Pottermore article]] [[AlternateCharacterInterpretation imagines his probable thoughts]] during Prisoner of Azkaban. They're very sarcastic, and mostly show that he considers himself SurroundedByIdiots.
* CatsAreSuperior: The aforementioned article makes it very clear this is his view.
* DemotedToExtra: He does appear in the film adaptation of ''Prisoner of Azkaban,'' but his "constantly trying to eat Scabbers" subplot is cut out.
* [[EvilDetectingDog Evil Detecting Cat]]: The first thing we see him do in the books is pounce on Scabbers, [[spoiler:who's actually Peter Pettigrew in disguise.]] Justified, because this is a species trait for Kneazles as a whole. (Ron comes to recognize his authority and has him check Pigwidgeon before deciding to keep him).
* [[HalfHumanHybrid Half-Cat Hybrid]]: Half-[[http://harrypotter.wikia.com/wiki/Kneazle Kneazle]], half-cat.
* OnlySaneMan: The Pottermore article [[AlternateCharacterInterpretation envisioning his thoughts]] has him consider himself this, depicting him as the only one who realizes that [[spoiler: Scabbers is an animagus.]]
* SpannerInTheWorks: In the film adaptation of ''Order of the Phoenix,'' he eats the Extendable Ear that Harry, Hermione, Ron, Fred, George, and Ginny are using to eavesdrop on the adults' conversation downstairs.
-->'''Ron:''' Hermione, I hate your cat.
* SurroundedByIdiots: A Pottermore article reveals this is his view -- a lone sane creature in a world of idiots. And Sirius. He's a cat, what did you expect?
* WhatDoesSheSeeInHim: In the aformentioned Pottermore article, he is depicted as knowing that Hermione likes Ron and wonders why.
* WhatHappenedToTheMouse: Hermione doesn't take him on the Trio's journey in ''Deathly Hallows''. Crookshanks's last appearance in the series is at the Burrow, a few days before Bill and Fleur's wedding, so it can be assumed he stayed there during the events in the rest of the book.

-->'''Appears in:''' ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' | ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''

-->'''Ron:''' ''"I've got to keep him up here because he annoys Errol and Hermes. He annoys me too, come to that."''

Ron's pet owl, sent to him by Sirius as a replacement for Scabbers. He is a miniature Scops owl.
* DemotedToExtra: Pig doesn't have an actual role in the films, but does appear in the background of the fifth and sixth movies.
* FunSize: According to Harry, he looks and feels like a very fluffy Snitch.
* {{Keet}}: He is quite hyper, always flying around and annoying Ron.
* RedOniBlueOni: He's more energetic than Hedwig, who has a stoic temperament and takes her job seriously.
* RidiculouslyCuteCritter: Girls squee over the adorable owl, but he annoys Ron.

-->'''Appears in:''' ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' | ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''

Voldemort's pet snake from book four onwards, ready to kill and eat any who threaten her master.
* AntiMagic: Her venom is resistant to healing magic.
* ArtisticLicence: Nagini is described as being venomous in the books, but portrayed as a reticulated python in the movies, a species of giant constrictors that are non-venomous.
** It's entirely possible, however, that Nagini is from a unique magical species of giant venomous snake or that she has been altered by Voldemort to better suit his purposes. Nagini's venom definitely has magical properties, judging by how her bites resist healing spells.
* ChekhovsGunman: Aside from helping her master regaining his form in ''Goblet of Fire'' with her poison, [[spoiler:she is the last remaining Horcrux after Harry's "death"]].
* FaceStealer: [[spoiler:She takes Bathilda Bagshot's place upon her death]].
* {{Familiar}}: Voldemort's connection with Nagini goes far beyond the normal connection Parseltongue allows.
* OffWithHerHead: [[spoiler:Gets beheaded by Neville with the Sword of Gryffindor in the Battle of Hogwarts.]]
* ReptilesAreAbhorrent: Nagini is just a normal snake, but it acts like a straight-up horror villain in book 7.
* RightHandAttackDog: Voldemort will frequently injure people and leave Nagini to finish them off and consume the remains.
* SoulJar: [[spoiler:She's a living Horcrux, and is the final of Voldemort's Horcruxes to be destroyed before his demise.]]
* SssssnakeTalk: Speaks Parseltongue with her master on occasion.
* ToServeMan: Voldemort occasionally uses her to...dispose...of people he doesn't like. Poor Charity Burbage.

-->'''Appears in:''' ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'' | ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]''

-->'''Ron:''' ''"That bloody bird's a menace!"''

The very old pet great grey owl of the Weasley family.
* ButtMonkey: The poor bird's constant RunningGag consists on fainting and crashing in the most unexpected places while bringing the mail.
* CaptainCrash: In the films, at least.
%%* TheDitz
* RunningGag: He faints a lot after delivering letters.

!!Magical Beasts

[[folder:Fluffy the Three-Headed Dog]]
-->'''Appears in:''' ''[[Literature/HarryPotterAndThePhilosophersStone Philosopher’s Stone]]''

Originally under the care of Hagrid, Fluffy guarded the location of The Philosopher's Stone. His greatest weakness was the inability to resist falling asleep to the sound of music.
* FluffyTheTerrible: The vicious and scary dog is named "Fluffy" as a possible nod to Cerberus whose name is theorized by many linguists to mean "Spot."
* {{Hellhound}}: Based mostly on the Greek monster Cerberus, he does not guard any entrance to the world of the dead or any demonic dimension, though what lies under the trap are still tough and dangerous tasks to get the final price.
* MacGuffinGuardian: He is the first defense against those who seek to steal the stone.
* MusicSoothesTheSavageBeast: He is lulled to sleep when music is played (a harp or a flute in this case), as a nod to Myth/GreekMythology.
* WhatHappenedToTheMouse: Fluffy is almost or never mentioned in the next books. [[WordOfGod J. K. Rowling stated]] that he was released in the Forbidden Forest and, later, to his native Greece.

[[folder:Norbert the Norwegian Ridgeback Dragon]]
-->'''Appears in:''' ''[[Literature/HarryPotterAndThePhilosophersStone Philosopher’s Stone]]''

A dragon that Hagrid illegally wins as a prize and tries to raise as his own. Hagrid tries to keep Norbert a secret, but soon allows Charlie Weasley to take the dragon to a dragon sanctuary in Romania. It was revealed in ''The Deathly Hallows'' that Norbert is a female.
* AdaptationalAttractiveness: A variant. While Norbert is described as being rather ugly and vicious in the books, in the movies he is portrayed as cute and affectionate as a baby.
* MoreDeadlyThanTheMale: How Charlie figured out that she's a girl.
* OurDragonsAreDifferent: Was depicted as a classic "Western Dragon" (IE: Four legs, a pair of bat-like wings, and a lizard-esque appearance) in the books (and in older official plush). In the movies, and in newer toys, Norbert's appearance is more based on that of a wyvern (IE: A bipedal reptilian creature with two legs and a pair of bat-like wings.).
* ReptilesAreAbhorrent: While not evil, dragons in general are portrayed as extremely vicious and impossible to domesticate. Of course, Hagrid being [[FluffyTamer Hagrid]], he adores Norbert and doesn't see him as a fire-breathing wild animal.
* SamusIsAGirl: As Charlie reveals in the seventh book.
-->'''Charlie''': It's actually Norberta.
* TertiarySexualCharacteristics: Female dragons are larger and more aggressive than male dragons.
* YourTomcatIsPregnant: Up until Charlie reveals it, everyone thought Norbert was male.

-->'''Appears in:''' ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]''

Dumbledore's pet Phoenix. His feathers were used as the cores for both Harry and Voldemort's wands.
* AmplifiedAnimalAptitude: In the movie version of ''Order of the Phoenix'', before as he swoops down to teleport Dumbledore to safety, he squawks to inform Dumbledore where he is - in that moment, he is, in fact, ''right above Dumbledore's head!''
** In Chamber of Secrets, Dumbledore mentions offhandedly that he's been telling Fawkes to "get a move on" (and die, to be reborn) for days.
* BewareTheNiceOnes: Fawkes is an adorable handsome Phoenix who stays by Dumbledore's side like a good friend. He also ''pecks out the Basilisks eyes'' in ''Chamber of Secrets''. And explodes in a flash of fire when Dumbledore is in danger.
* BigDamnHeroes: Comes to Harry's aid in the Chamber of Secrets.
* CoolPet: For Dumbledore as they are very rare in-universe, immortal, and have a slew of magical abilities associated with them.
* {{Familiar}}: He is bonded to Albus Dumbledore.
* HeroicSacrifice: He takes a Killing Curse for Dumbledore in ''Order of the Phoenix.'' [[spoiler:Since he's a Phoenix, he gets better.]]
* LongBusTrip: It's explicitly spelled out after [[spoiler:Dumbledore's death]] that Fawkes has left Hogwarts forever.
* MeaningfulName: Guy Fawkes is famous for trying to blow up (which would lead to burning) the Houses of Parliament. Phoenixes burn at the end of each 'life.'
* ThePhoenix: Obviously, and it's also indicated that his bond with Dumbledore is responsible for why the wizard's Patronus is now also a Phoenix and may or may not be how the Order of the Phoenix got its name.
* ShesAManInJapan: In the Italian translation of the books, the male phoenix Fawkes becomes female, and is named Fanny. Possibly due to the fact that in Italian, "phoenix" is a feminine word.
* SwissArmyTears: An inherent Phoenix ability.
* UndyingLoyalty: To Dumbledore and by extension Hogwarts. [[spoiler:When Dumbledore dies, he no longer has a reason to stay]] As of ''Half-Blood Prince'', he's been with Dumbledore for ''at least'' fifty nine years.

-->'''Voiced by:''' Creator/JulianGlover
-->'''Appears in:''' ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]''

--> ''"My sons and daughters do not harm Hagrid on my command, but I cannot deny them fresh meat when it wanders so willingly into our midst. Goodbye, friend of Hagrid."''

One of Hagrid's pets, an [[GiantSpider Acromantula]] who lives in the Forbidden Forest with his mate and thousands of children. In ''Chamber of Secrets'', Hagrid, while a student at Hogwarts, cared for him when he was young, and Aragog was accused by Tom Marvolo Riddle of being the creature living in the Chamber of Secrets. Years later, he tells Harry and Ron about the creature living in the titular chamber, then sics his sons and daughters on the two (don't worry, they escape).
* AffablyEvil: Not unfriendly, but pretty darn frightening even if you are a friend of Hagrid.
* AndroclesLion: Hagrid cared for Aragog since he hatched, saved his life when the Hogwarts higher-ups might have had him killed, and even arranged to him to meet his mate after he set up shop in the Forbidden Forest. As a result Aragog, in spite of its species being very bloodthirsty and eating humans, cares deeply for Hagrid and has even forbidden his children from harming him. [[spoiler: Unfortunately, Harry and Ron find out that that treatment extends to Hagrid and ''only'' Hagrid. Anything else that wanders into Aragog's neck of the woods is fair game. And after Aragog dies, that particular courtesy isn't even extended to Hagrid anymore.]]
* BackForTheDead: In ''Half-Blood Prince'', Hagrid informs the trio that he is sick. Then he dies and both Harry, after drinking the Felix Felicis Potion, and Slughorn attend his funeral.
* BigCreepyCrawlies: He is an Acromantula (''acro-'' is Greek for large), ginormous spiders the size of a baby elephant and he possesses a quite long legspan.
* TheBusCameBack: Not Aragog himself, but his children return during the Battle of Hogwarts, attacking Death Eaters and Hogwarts allies alike.
* CoolPet: To Hagrid.
* TheDreaded: Acromantulas are feared all across the Wizarding World, and Aragog and his family are no exception [[TheWorfEffect unless you are a basilisk]].
* GiantSpider: Is what he is, though naturally, Hagrid finds him adorable.
* IOweYouMyLife: Hagrid cared for a young Aragog after he hatched and later got him to safety in the Forbidden Forest following Riddle's accusation. The two maintained contact, which saw Hagrid getting him food and a mate. As such, Aragog forbade his children from ever harming Hagrid. [[spoiler:Unfortunately for Harry and Ron, Aragog's family extends that courtesy ONLY to Hagrid himself.]]
** Also, Hagrid himself realized that upon Aragog's death, his children would no longer feel bound by the promise and it wouldn't be safe for him to go into their territory anymore. Even when Aragog was still alive but clearly sick and dying, Hagrid commented that it was getting risky for him to go and visit Aragog because his children were getting more aggressive towards him.
** According to ''Hogwarts Mystery'', the "not eating people/animals" ''does'' apply to Hagrid's dog, Fang - when [[spoiler:Fang goes missing, Aragog returns him to Hagrid instead of eating him.]]
* InterspeciesFriendship: A rare example of Hagrid's affection towards extremely dangerous animals being reciprocated. Aragog and Hagrid have been good friends for over fifty years and when Hagrid is in trouble he gets very concerned for him. This friendship was so strong that Aragog, a member of a species that is considered one of the most dangerous animals on the planet, refused to consume human flesh out of respect for him.
* KeeperOfForbiddenKnowledge: He was instrumental in helping Harry find the truth behind the Chamber of Secrets.
* NonMaliciousMonster: During the Battle of Hogwarts, his children get royally (but understandably) ticked off when the Death Eaters drive them out of the forest, leading them to attack ''everyone'' on the battlefield in an angry frenzy.
* RedHerring: Readers initially thought he was the creature from the Chamber of Secrets, but it turned out he never visited the castle after Hagrid smuggled him in.
* RoaringRampageOfRevenge: During the Battle of Hogwarts, his children swarm the castle, attacking everyone regardless of their affiliation because the Death Eaters had driven them out of their nest.
* TheScapegoat: For what the Basilisk did. To add further insult to it, Acromantulas hate and fear Basilisks.
* SpidersAreScary: Especially if it is a giant one that likes the taste of human flesh (be glad that Aragog is the only one who ''doesn't'').
* TalkingAnimal: Being an Acromantula, he and his brood are able to speak.
* ToServeMan: A species trait, though he himself refrains from eating humans in honor of Hagrid. His children, on the other hand, consider any human other than Hagrid fair game.
* UndyingLoyalty: Towards Hagrid, even vowing never to eat human flesh out of respect for their friendship. His family, however, did not show the same loyalty themselves.

[[folder:Slytherin's Basilisk]]
-->'''Voiced by:''' Unknown
-->'''Appears in:''' ''[[Literature/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]''

The legendary Monster of Salazar Slytherin, intended to be awoken by Slytherin's heir to purge all the Muggle-borns in Hogwarts. Serves as TheDragon to the heir of Slytherin in ''Chamber of Secrets'', [[spoiler: where it ultimately dies]].
* AxCrazy: All of its lines are about murder, blood, or killing.
* BasiliskAndCockatrice: The Basilisk in the Wizarding World is a giant snake without any bird traits except for the red feather above the males' head, can kill or petrify at sight and is born when a toad hatches a chicken egg.
* ChekhovsBoomerang: [[spoiler:Harry uses a fang from the Basilisk to destroy Tom Riddle's diary (one of Voldemort's Horcruxes) in the ''Chamber of Secrets''. Years later, when they need to destroy another Horcrux, Ron hits on the idea of doing the same thing and heads down to retrieve fangs from the Basilik's carcass]].
* DeadlyGaze: Making eye contact with her is instantly fatal.
* DragonInChief: The Heir in the second book. While he was calling the shots, she was the one doing the dirty work.
* TheDreaded: With the exception of roosters and the Heir, everyone is terrified of this thing. [[HorrifyingTheHorror Even]] ''[[HorrifyingTheHorror Acromantulas]]'' [[HorrifyingTheHorror refuse to speak of her]].
* EyeScream: Ends up on the receiving end of this, courtesy of [[spoiler:Fawkes, which allows Harry to properly fight it]].
* FeatheredSerpent: Played with, as only the males have feathers and this one is female.
* FemaleMonsterSurprise: It's never really addressed but she's clearly missing the scarlet plume on the forehead characteristic of her species' male counterpart. It was apparently so surprising that in ''VideoGame/LegoHarryPotter'', [[GenderBender it does have the plume]] even though otherwise they've been consistently shown as female in adaptions.
* ImpaledWithExtremePrejudice: [[spoiler:Harry drives the Sword of Gryffindor up through the roof of the Basilisk's mouth and into its brain to kill it]].
* ItIsDehumanizing: Tom Riddle typically refers to her as an it which emphasizes how he sees her as a weapon, compared to how Voldemort treats Nagini, and her own bloodthirsty nature.
* MonsterDelay: The Basilisk's full appearance does not get into the scene until Harry enters the Chamber of Secrets and the heir of Slytherin summons her.
* TheParalyzer: Eye contact through a mirror or other reflections petrifies the victim, which can be reversed. It also works this way on ghosts by default, for obvious reasons.
* Really700YearsOld: It's a millenarian beast born the same time as Slytherin co-founded Hogwarts.
* ReptilesAreAbhorrent: Harry's ability hear what it's saying due to his Parseltongue [[spoiler:foreshadows its role as a Basilisk, a humongous snake monster.]]
* SheIsTheKing: The Monster is called the king of its species, but this specific one is female.
* UndyingLoyalty: To Slytherin and his heir.
-->'''Tom Riddle''': Parseltongue won't save you now, Potter; it only obeys '''''ME!'''''
* WeaksauceWeakness: "The crowing of the rooster is fatal to it." Sure, [[spoiler: Voldemort-possessed Ginny Weasley]] made sure to eliminate all of the roosters on the grounds, but still.
* WhisperingGhosts: Her voice is only heard by Harry before he knows he could speak Parseltongue and before he knew the source came from a murderous giant snake.

[[folder:Buckbeak / "Witherwings"]]
-->'''Appears in:''' ''[[Literature/HarryPotterAndThePrisonerOfAzkaban Prisoner of Azkaban]]'' | ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]'' | ''[[Literature/HarryPotterAndTheOrderOfThePhoenix Order of the Phoenix]]'' | ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]''

Hagrid's pet hippogriff, who was provoked into attacking Malfoy during a Care of Magical Creatures class and set up to be executed by the Committee for the Disposal of Dangerous Creatures.
* BerserkButton: He doesn't take kindly to [[BullyingADragon Malfoy calling him a "great ugly brute".]] It's a Hippogriff thing. Go up and insult one, it'll probably be the last thing you'll ever do.
** Don't attack Harry in front of him, either. He very nearly kills Snape for (seemingly) doing that.
* BigDamnHeroes: He saves Harry from the savage werewolf form of Lupin.
* TheCavalry: Leads the Thestrals of the Forbidden Forest against Voldemort's giants during the final stage of the Battle of Hogwarts.
* CoolHorse: Well, cool ''half''-horse.
* GiantFlyer: Has a large and formidable wingspan.
* MixAndMatchCritters: Half bird, half horse.
* OffWithHisHead: The Ministry is forced to perform this on Buckbeak after he "injures" Malfoy. [[spoiler:Subverted thanks to Harry and Hermione's meddling with the Time-Turner.]]
* OurGryphonsAreDifferent: Specifically, he's a hippogriff (half-gryphon with emphasis to his eagle side, half-horse).
* {{Pride}}: Enough to demand consent to be ridden (that whole bowing thing). It's a hippogriff trait.

[[folder:The Hungarian Horntail]]
-->'''Appears in:''' ''[[Literature/HarryPotterAndTheGobletOfFire Goblet of Fire]]''

A large, extremely vicious dragon that Harry faces off against during the first task of the Triwizard Tournament. In the books, the Hungarian Horntail is said to be the most dangerous breed. Harry manages to obtain the golden egg the dragon is guarding by flying past her using his Firebolt.
* DeathByAdaptation: Falls to her doom during the movie.
* TheDreaded: Harry is horrified to learn of it's existence and is ready to pass out as the time draws near for him to face it. Even Hagrid admits it's a "nasty piece of work" in the film.
* EveryoneHasStandards: Hagrid, as a half-giant, ''adores'' very large, very dangerous creatures. Even ''he'' admits the Hungarian Horntail is a nasty piece of work.
* MamaBear: Dragons are extremely protective of their young in the books/movies. And Harry ends up having to steal an egg from the most dangerous one.
* NonMaliciousMonster: She's technically just trying to protect what she thinks is her own egg. Of course, Hungarian Horntails are extremely vicious by nature to begin with.
* OurDragonsAreDifferent: Is based on a wyvern.
* ReptilesAreAbhorrent: Subverted. They are extremely vicious by nature, but are not evil. And the one in the books/movies is just following her maternal instincts.
* ShoutOut: The design of the Hungarian Horntail in the film was based off of the dragons from the film ''Film/ReignOfFire''. As is it's method of breathing fire.[[note]]Specifically, it spits out twin jets of flammable chemicals that ignite upon contact with the air.[[/note]]

-->'''Appears in:''' ''[[Literature/HarryPotterAndTheHalfBloodPrince Half-Blood Prince]]'' | ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''

Ginny's pet Pygmy Puff, purchased on a trip to Weasleys' Wizarding Wheezes in 1996.
* ExtremeOmnivore: Pygmy Puffs are scavengers and will eat anything. See TrademarkFavoriteFood below.
* RidiculouslyCuteCritter: Pygmy Puffs in general are bred to be small, affectionate, and adorable.
* NotTheIntendedUse: Got a cold? Buy a Pigmy Puff. They love boogers and will eat them all away so that they're no longer in your nose, running and blocking your nose - you'll be able to breath again!
* ShoutOut: To [[Series/StarTrekTheOriginalSeries Tribbles]] of all things. Both are round furry creatures that give off a soft purring sound when content.
* TrademarkFavoriteFood: Boogers.

[[folder:The Gringotts Dragon]]
-->'''Appears in:''' ''[[Literature/HarryPotterAndTheDeathlyHallows Deathly Hallows]]''

An ancient and decrepit Ukranian Ironbelly dragon that guards a chamber in Gringott's bank. The trio uses it to escape in the seventh book.
* ColdBloodedTorture: Went through some severe abuse before it was released. For reference, the goblins had conditioned it to associate the sound of metal with pain by ''repeatedly stabbing it with a burning sword''. In the movie, the poor thing ''whimpers'' when it hears that noise.
* DragonHoard: A rather dark deconstruction; this dragon is ''forced'' to guard a hoard.
* GiantFlyer: And thanks to Hermione, an excellent getaway vehicle!
* HandicappedBadass: It's blind and has clearly seen better days, but it's still quite strong.
* OurDragonsAreDifferent: Like in most of the films, it's depicted as a wyvern.
* WoobieDestroyerOfWorlds: It basically amounts to a scared, brutally tortured puppy in the body of a huge, fire-breathing beast. Once it's been freed, you better believe that it went on a ''[[UnstoppableRage rampage]]''.