"Ford, you're turning into a penguin. Stop it."A character is transformed into an animal, either completely or partially (as in Two Beings, One Body). The defining quality for this trope is whether their transformation was voluntary or not:
— Arthur Dent, The Hitchhiker's Guide to the Galaxy
- There are many characters whose ability to transform into animals is a special power. Several of these are Shapeshifters whose power is limited to animal forms, and oftentimes a set number at that. There are also quite a lot of Shapeshifting characters who can turn into anything, but prefer to transform into animals, presumably because you can get more done in the shape of a living being than something inanimate. Our Werebeasts Are Different covers werebeasts.
- Others are characters unwillingly transformed into animals, usually as a punishment (ironic or otherwise) or curse, more often than not by the dark magic of the Big Bad. In any case, regardless of species, the target is none too happy about being an animal. (Indeed, for some reason, characters are often just as upset over being turned into swans as they would be if they were turned into worms. There is an intriguing amount of Cursed with Awesome associated with this trope.) The target may lose the ability to speak, and must work hard to get the message to their friends about what happened. This is sometimes combined with a "Freaky Friday" Flip, leaving the animal's mind trapped in the human character's body (where Hilarity Ensues). This is frequently accompanied with some sort of time limit, after which it will be difficult or impossible to reverse the process.
Examples of Voluntary Animorphism
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Anime and Manga
- All familiars, and Yuuno, in Magical Girl Lyrical Nanoha.
- Ichigo of Tokyo Mew Mew is a borderline case. The intended effect of her cat genes is the ability to voluntarily transform into a Cat Girl; however, as her cat DNA starts to overtake her human DNA, she starts involuntarily growing cat ears and tail when excited, and eventually begins to fully transform into a cat. Another recurring character in the show can become a cat voluntarily, but only for a limited time.
- Yoruichi in Bleach spends a lot of the series as a cat because she likes to. Most of her transformations to and from human are to mess with other members of the cast (like Ichigo).
- One Piece has the Zoan variety of Devil fruits, which allow the eaters to transform into a certain animal depending on what the fruit is, as well as a half-human hybrid of said animal (and yes, even humans are counted as an "animal"). Most fruits have a certain "model" for animals that are in the same family (EX: Dog Dog fruit, Model Wolf), or different sub-branches like "Awakened" which is more beast then man, "Mythical" like a Phoenix, and "Ancient" like a T-Rex.
- Even inanimate objects can "eat" a Zoan Devil Fruit: they gain characteristics of a living being and their corresponding animal's intelligence, and can also transform into the animal itself, a hybrid (in the absence of a better word) or their "original" object form.
- If an animal eats a Zoan fruit corresponding to its own species it becomes enlightened.
- Early in the series, Kotaro of Mahou Sensei Negima! with his powers sealed revealed the ability to become a small puppy. [[spoiler:Later events show that he can, at full power, become a Super-Powered wolf.
- Ai to Yuuki no Pig Girl Tonde Buurin is about a warrior style Magical Girl (think Sailor Moon, Tokyo Mew Mew, or Pretty Cure) whose magical form is... a super powered pig. She does this willingly, but grudgingly, in order to earn pearls for good deeds so that once she gets 108 of them she can become a human superheroine instead.
- Essentially the entire point of +Anima.
- In Ruin Explorers, Ihrie was cursed as a child so that she turns into a mouse whenever she casts magic. Fortunately, she carries along a medicine that can reverse the effects, though having a limited supply at any one time means she still has to choose her battles.
- Pokémon has an episode in the Johto League saga wherein Ash meets a witch named Lily. She has a recipe for a potion that will let you read a Pokemon's mind, but needs some ingredients first. At the end of the ep, Ash is turned into a Pikachu, which is affectionately nicknamed Ashachu. It launched a hundred Fan Fic sequels when that happened.
- Rumiya and Ryo-Ohki in Pretty Sammy.
- Some fairies in Fairy Navigator Runa have animal forms as well as human ones.
- Kars from Jojos Bizarre Adventure can do this after becoming the Ultimate Lifeform. He can do this because his cells contain the DNA of every species of animal, insect and even plant, on Earth and can manipulate said cells to transform his whole body or just parts of it into entire animals or just a single part of said animal.
- Snowbird from Alpha Flight is an Inuit demi-goddess who can shift into any animal, but it's always an albino female. For a time, she could only shift into creatures native to Canada (for that matter, she couldn't leave the country's borders without dying). Those restrictions faded with her immortality when she lost her virginity, but she still uses Arctic creatures as a preferred style.
- Changeling—formerly Beast Boy—from Teen Titans. Like his cartoon counterpart, he can turn into a green version of any animal (though he can't turn into larger animals without strain). But unlike the show, he can speak in any form. This is because he's not limited to turning into animals, it's just his style.
- Viktor Romanov in Nikolai Dante can turn into a giant eagle due to his weapon crest.
- In The Secret Life Of The Backyard Kids, Tiffany transforms into a giant cat, and since Jorge is a Squishy Wizard, he calls his nanny and she tells him to transform into a panther. He not only does just that but does a Shout-Out to Michael Jackson.
- In Friendship Is Optimal, humans are transformed into a pony upon uploading to Equestria.
- In Diaries of a Madman, Nav gets turned into a pegasus several times by the shapeshifting spell, but he hates every second of it.
- TD experiences being turned into a pony several times in the various The Non-Bronyverse stories (not all of which are canon). The AU story TD the Alicorn Princess is the biggest example, when he ends up trapped in the form of a female alicorn.
- In Your Human and You, Max gets turned into a pony after accidentally consuming a transformation potion.
- In Return Of The Primarchs, Shrike, who spent decades fighting Orks, manages to hijack their gestalt psychic field and use it to transform into enormous raven, turning it against them.
- One third of the premise of the series Animorphs. (The other 2/3 are Alien Invasion and Ragtag Bunch of Misfits.) Also the Trope Namer. Limitations include having to touch an animal to "acquire" its DNA before being able to transform into it, and being limited to precisely two hours in animal form before suffering Shapeshifter Mode Lock.
- Daine in Tamora Pierce's The Immortals quartet is a shapeshifter thanks to her Wild Magic. She has increasing control over her transformations as the books go on, though she retains her human mind even within the animal shape. The problem of her keeping her human and animal self separate is briefly addressed in Wild Magic, but takes little time to fix once she tells Numair, the most powerful mage in the world, that she's having trouble.
- Several characters in the Harry Potter series (such as Professor McGonagall and Sirius Black) are "animagi", who can transform into specific animals (McGonagall becomes a cat, Black a large dog). Unlike most instances, this practice is very strictly watched by the government (who keeps tallies on the number), and is said to be incredibly hard to do.
- In President's Vampire, vampires who drink human blood gain variety of supernatural skills, one of which is ability to turn into birds. It's implied that they can change into other animals as well, but this remains to be seen, as the main character drinks animal blood only. In any case, Magic Pants are not in effect.
- Wizards in Ursula K. Le Guin's Earthsea books are capable of transforming into animals, though the process is dangerous. In one particularly memorable example, the protagonist Ged turns into a hawk in order to escape an enemy - and, forced to spend weeks in his new form, almost ends up getting stuck that way.
- Absolutely hilarious when you think about the fact that Ged is played by Shawn Ashmore in the SyFy version of the first book, that Ashmore was Jake Berenson in the TV version of Animorphs, that Jake saves Tobias from a swirly before the first book... and that Tobias ends up stuck as a hawk (red-tailed hawk, to be exact) at the end of the first book.
- Dora Wilk Series has a fair share of animal shapeshifters, werebeasts and others. Usually, they change fully, but some can train themselves to retain human body, but thing such as animal hand or legs.
- Werewolves, obviously. Their goddess Faoilinara can turn into a wolf as well.
- Szelma can turn into a cat, although it seems there's no werecat species.
- There are people who can turn into lions and tigers, although only one (a were-tiger) appears in the books.
- Gods Badb and Loki can turn into any animal they wish, although the former prefers a giant crow.
- Wizards in Nightrunner can turn themselves and others into an animal form that is said to be their "true nature." The fact that it can be done to others, of course, means it's not always voluntary.
- Many of the evil characters in The Caretaker Trilogy are Half Human Hybrids of some sort, but the only one shown to actually be capable of turning into the animal whose traits he borrows is Colonel Aranha. For those who didn't get the Meaningful Portuguese Name, he turns into a gigantic tarantula.
- In The Thief of Always, victims of the Big Bad turn into creepy, giant fish when their souls are removed. It's a gradual process.
- The Were Hunters in Sherrilyn Kenyon's The Dark Hunters series were created by a king using his children, animals, and Magic Genetics to create Shapeshifting progeny.
- In the Xanth series, Dolph can turn into any living thing as his magical talent, while his grandfather Trent can turn any living thing into another living thing as his.
- Dinah and Dorinda, the main characters of Eric Linklater's children's novels The Wind on the Moon, use a magic potion given to Dinah by a witch in order to transform themselves into kangaroos. They are, however, stuck in kangaroo form until they can locate the bottle with the potion to transform them back to humans, which leads to them being caught and put in a zoo. In the zoo, they also meet Mr. Parker, formerly a human detective, who was transformed into a giraffe for no apparent reason (he blames it on wishing he was taller back when he was human).
- In the Chronicles of the Cheysuli series, the eponymous Cheysuli can turn into the shape of their Lir (a Bond Creature that is some kind of animal bear, wolf, hawk...) some can turn into the form of any Lir they want.
- In Rick Riordan's The Heroes of Olympus series Frank Zhang a demigod son of Mars can be anything. According to Mars this means anything within reason, any living animal. This gift did not come from Mars however, but Poseidon, who is a distant ancestor on Frank's mother's side. His whole family can do it, and have for generations going back to Periclymenus a legendary Greek hero who Poseidon first bestows this gift on. Percy, Poseidon's actual son, is noticeably jealous of Frank's gift.
- Everyone in The Last Dove can (somewhat) voluntarily shapeshift.
- In the Nightshade Trilogy, the Guardians can turn into wolves at will.
- Hoole in Galaxy of Fear is of a shapeshifting species but, while Shi'ido are able to turn into anything at will, he only ever takes the shapes of different sentient species - Wookiees are a favorite - or animals, rather than ever staying with his default form and lengthening his arms, say. Though he is able to speak Basic while Wookiee-shaped, which real Wookiees can't do.
- The Dresden Files: One of the many things magic can do. Mainly used by Billy's Werewolf gang, for combat applications.
- Simon is turned into a rat in City of Bones.
- The Mirrorworld Series: Fox, who prefers her animal form until she sees Jacob kissing Clara.
- A Fantasy Attraction has Mr. Smith accidently transforming people into baby animals with his spork.
- Spectral Shadows has this when Christine gets turned into an anthro fox via Sir Jon's Sound Chaser.
- Inverted in the fifth book in the Spellsinger series. A freak perturbation of reality (they've been happening a lot lately) turns the entire party of anthropomorphic animals into humans. Jon-Tom comes up with a spellsong that turns humans back into animals to save them ... not realizing it would also affect him, playing the trope straight.
- Manimal has a main character with transformation into animals as a special ability.
- In True Blood there is a shapeshifter community. They can turn into any animal they want; they just have to see it in order to "copy" it. There is however an exception: each person has an animal that they feel comfortable with, and can transform into it at any time without having to see a real example. The ability is passed from generation to generation.
- The TV Miniseries version of Earthsea had a story about a wizard who got so obsessed with shapeshifting into a bear that the bear's personality eventually displaced his own, causing him to eat his entire family. The story comes from the first Earthsea novel, "A Wizard of Earthsea", where the bear-wizard is only said to have killed his son.
- MythQuest has the protagonists going into multiple myths. Naturally, this happens.
- Loki turns himself into a bird in "Hammer of the Gods"
- In "Red Wolf's Daughter", the spirits of Eagle, Badger, and White Buffalo are summoned. All take human form.
- Done in the "Metamorphosis" illusion from Theatre of Magic, where the magician turns into various animals, such as a dove, a tiger, or a cobra.
- The New World of Darkness sourcebook Skinchangers has options for playable characters using almost every possible variation of this trope, with War Against The Pure and Changing Breeds adding a few more for good measure.
- Almost every type of supernatural creature in the New World of Darkness is capable of shapeshifting into an animal by one means or another.
- The Old World of Darkness games featured shapeshifting Splats as well.
- Werewolf: The Apocalypse is obviously about werewolves, but also lets you play as were- hyenas, spiders, cats (lions, tigers, leopards, lynxes, etc.), ravens, bears, foxes, crocodiles/alligators/lizards, snakes, coyotes, rats, and sharks. Extinct races include the werebats, wereaurochs, and wereboars (though even they have rules for playing them).
- Vampire: The Masquerade has three clans with specialized disciplines that allow for animal shapeshifting: the Gangrel have Protean (the typical bats, wolves, and fog, though variations exist); the Followers of Set have Serpentis (guess); and the African bloodline Akunanse have Obomwe, which allows the Kindred to turn into any animal provided she smears her body with its blood (the creature must obviously be big enough to have enough blood for this to be possible).
- Changeling The Dreaming has the pooka, selkies, commoner hsien, and inuas (a Native American kith). A member of these kiths has one animal form that she can shift into. The pooka and inuas choose one at character creation, while the selkies turn into seals, and each commoner hsien kith has one animal form its members shift into: cats, fish, monkeys, snakes, and badgers (in case you're curious, the noble hsien kiths are based on the 5 Taoist elements)
- In Exalted, the Lunar Exalted are able to take the form of any species, so long as they've drunk the heart's blood of a member of that species, and can build up an impressive library of forms this way. They can also apply this to humans, although it works a little differently (each human form they add to their library allows them to take that /specific/ human form).
- It actually works that way for animals too. You are taking that animal's form. It's just that the most common hunt is for one that's an excellent specimen but doesn't stand out. You could, say, hunt an espionage target's favorite dog so you'd be close to him for an extended period.
- The Dungeons & Dragons Barbarian-based PrC Bear Warrior is able to transform into a type of bear while they rage.
- And druids can turn into any animal.
- Wizards too, with the right kind of spells. And (like druids) transform others into harmless critters as per the second example of this trope.
- In New Horizon, Medeans merge with the genetic code of the native wildlife. Unlike most other examples of this trope, this is PERMANENT... although, oddly, it doesn't effect any kids they have.
- Bleak World has the vampires and princesses. Their forms are different based on what kind of vampire or princess, with Dracul vampires being able to turn into bats and wolves, whereas primal vampires can turn into a dragon.
- Tha Makuta in BIONICLE liked to take on animal forms, most famously Miserix, who preferred reptile forms to his original body (his only existing official image also has him turned into a dragon). The Phantoka Makuta team chose the form of bats, while the Mistika team took on the semblance of insects. However as a subversion, due to a mutagen, they couldn't turn back.
- Druids in Warcraft III could turn into the totem animal whose demigod they were devoted to.
- Druids in World of Warcraft can turn into various animal shapes. Bear, Cat, Seal, Bird, Tree and an owlbear thing.
- Dragons are also known to have a human form, notable ones being Kalecgos, Alexstraza, and Neltharion (Deathwing as most players know him).
- It's not ALWAYS human. Alextraza and her consert turn into High Elves, Chronomaru turns into a Gnome, Ysera becomes a Night Elf. Goblin and Blood Elf forms have been seen as well for other dragons. Also Deathwing human forms or his human one has changed a lot since his days as Lord Prestor.
- Deathwing's human Form retains the reforged lower jaw that he has in his dragon form. (See Fridge Horror.)
- Druids in Diablo II: Lord of Destruction can acquire the ability to turn into a werewolf, or the slightly-more-exotic werebear.
- Most Manaketes/Dragons in Fire Emblem games can transform from one form to the other, with varying degrees of ease. In most games, the transformation requires the use of a Dragonstone that has a limited number of uses. However, there are a few unique cases because the games all take place in different universes.
- In the Fire Emblem Akaneia games (and their remakes), Manaketes could generally transform into different types of Dragons depending on which kind of Dragonstone they used.
- The Fire Emblem Tellius games added the Laguz, of which Dragons were one of the many races, who could transform into beast forms and back at will, though they would revert to their humanoid state when they ran out of transformation points. A select few characters could stay transformed as long as they willed it, but most of them had their stats cut to make up for it. In Path of Radiance, the Laguz would transform without the player's choice or input when their meters were full, but Radiant Dawn allowed the player to activate it whenever they wanted so long as they had transformation points to use.
- Fire Emblem Awakening uses a simplified Dragonstone system for Manaketes, and combined Manakete and Laguz mechanics for the Taguel, who use Beaststones to turn into giant rabbits.
- Fire Emblem Fates has the Nohr-exclusive Garou and Hoshido-exclusive Fox Spirits, who both use Beaststones to respectively transform into ogre-like werewolves and Kitsune. The player avatar him/herself can transform into a dragon with the use of a Dragonstone. Unlike most other Fire Emblem games, the transformation stones has infinite uses.
- The seventh game (released in the West as simply Fire Emblem) seems to imply that (at least for the Elibe-verse) it's quite difficult for dragons to switch from form to form without losing their memories and personalities from their other forms.
- In the Banjo-Kazooie series, visiting one of two shaman-type characters (Mumbo-Jumbo in the original and Grunty's Revenge or Humba-Wumba in Tooie) would allow you transform into different things; this is usually an animal (but not always; other transformations have included a tank, a submarine, and a washing machine). Oddly, the main characters are already animals.
- The entire premise of the Bloody Roar game series is based on this trope.
- Likewise E.V.O.: Search for Eden.
- Altered Beast has the werewolf, dragon, bear and tiger forms. Also for the Big Bad, he has a rhinoceros form.
- In The Legend of Zelda: Twilight Princess, Link transforms into a wolf. It is initially involuntary due to the Twilight invading Hyrule, then Zant curses Link to make it permanent; eventually, the Master Sword breaks the curse, and Link gains the ability to transform at will. Interestingly, instead of throwing away the gem that cursed Link in the first place, they hold onto it, and apply and remove it using the Master Sword to switch forms.
- In The Legend of Zelda: A Link to the Past, entering the Dark World without the protection of the Moon Pearl causes Link to transform into an adorable, defenseless, pink bunny-man. All in all, becoming a wolf was a much better deal.
- Solatorobo provides a rare inversion: In a world populated by anthropomorphic dogs and cats, the main character can transform into a human to become more powerful.
- In Kingdom Hearts II, one of the visitable worlds is the Pride Lands. While there, Sora is transformed into a brown lion cub thanks to his clothes. Goofy and Donald are also transformed into, respectively, a tortoise and a bird... that can actually fly.
- On gaining the Transformation Staff, characters in Final Fantasy: The 4 Heroes of Light can turn to and from animals at will (which becomes helpful and sometimes necessary because of Animal Talk). Aire is a cat, Yunita a rabbit, Brandt a dog, and Jusqua... a chicken.
- One of the main features of Splatoon is the ability to turn into a squid and dive into ink of your team's colour, refilling your own ink in the process. You also move faster this way. (Of course, the Inklings may actually be anthropomorphic squids.)
- In El Goonish Shive, Grace can turn completely into a squirrel.
- Ellen once turned herself into a duplicate of the family cat, "Brownie". She could still talk via magic and retained her mind.
- In Zoophobia, shapeshifters can change into different animals. Avians into birds, serpentines into snakes and so on.
- Kodotai, Bestiario, Manimal, and Menagerie from the Global Guardians PBEM Universe all have the power to assume the shape of any animal species they want. Russian hero Ursa can turn into a giant brown bear. Indian hero Bagha can turn into a large Bengal tiger.
- Limyaaels Fantasy Rants: Limyaael has a rant on shapeshifters, on shapeshifter societies and on blurring the distinction between the "human" part and the "animal part".
- In the Whateley Universe, Feral has the power to change into pretty much any predator mammal. There are also Weres who can shift into animal or were-animal forms, plus some mutant Shifters can do it. (Some mutants end up stuck in the involuntary version because of the way their power first manifests.)
- Dragore from both Furtopia RPs of Darwins Soldiers was turned into a dragon for unspecified reasons.
- Professor Sehack from the rebooted Furtopia RP was turned into a Bengal tiger for unspecified reasons.
- We Are All Pokémon Trainers has both examples:
- Upon entering one of the PMD universes, humans get forcibly transformed into Pokémon.
- A human wearing a human to Pokémon armband will get turned into the Pokémon they relate to most.
- Weremons tend to have involuntary transformations, but due to her enchanted Moon Stone Crewe can switch forms at will.
- Beast Boy from Teen Titans has this as a special power. Interestingly, the involuntary subtrope occurs in the episode "Bunny Raven, Or How to Make a Titanimal Disappear". Mumbo the Magician changes the Titans into various animals. Beast Boy is rendered only able to change into inanimate objects, with a lamp as his base form.
- In Young Justice, Beast Boy also has this ability, presumably due to the blood transfusion from the shape-shifting Miss Martian. Though he can take any animals’ form, he goes with various primates most often, because they are his favourite animals. Since he was bitten by a monkey shortly after said blood transfusion, his default form is that of a green, stooped, tailed half-monkey boy.
- Jayna of the Wonder Twins from Superfriends. When the twins touched, Zan could turn into some form of water/ice, while Jayna could transform into any sort of animal.
- The Monkey Talisman in Jackie Chan Adventures. The owner can turn him/herself or others into any animal they can think of.
- Wild Kratts has this as the founding concept, in which the main characters can assume animal shapes using the Applied Phlebotinum in order to get close to the real animals.
- Replicon from Skysurfer Strike Force can turn into various animals or even certain attributes of animals.
- In the first episode of the original Teenage Mutant Ninja Turtles, Bebop and Rocksteady volunteer to let Shredder turn them into a warthog and rhino, respectively, to get revenge on the turtles for humiliating them.
- In Visionaries: Knights of the Magical Light, the main characters are fourteen knights who have been given the ability to transform into the animals which best reflect their skills and personalities. For example, Feryl can transform into a Wolf because of his "amazing tracking skills", Leoric can transform into a Lion because of his "raw courage and leadership" . . . and so on.
- In , Cosmo and Wanda (along with all fairies) can and have done this on numerous occasions, and in fact their base form is a pair of goldfish.
- In at least 5 episodes, Timmy has been able to do this on several occasions.
- In The Magic School Bus episode "In The City", Ms Frizzle turns the students into different animals that you might find in a city, such as foxes, falcons and possums, and herself into a raccoon.
Examples of Involuntary Animorphism
Anime and Manga
- In The Cat Returns, Haru is turned into a humanoid cat so she will make a more suitable bride for the cat prince.
- In Fullmetal Alchemist, it's possible to combine human beings with animals to create chimeras. If the procedure comes out right, the creature should have human intelligence and several traits from the animal they're mixed with (both advantageous and drawbacks), and some can even shift from their half-animal form to an apparently normal human. They are kept a secret from the public because of the obvious ethical issues they pose (lets just say the subjects did not volunteer for the experiments). So far we have seen snake, lizard, bull, dog, lion, toad and monkey chimeras.
- In Dragon Ball Z there are a couple of notables. Captain Ginyu, of course, is turned into a frog when Goku interrupts his attempt to swap bodies with Vegeta by tossing a frog in the way. Saiyans with tails will, when looking at the full moon, turn into very large apes. Also inverted during the 22nd Tenkaichi Budokai, when we meet Man-Wolf. He was a humanoid wolf who turned into a human during the full moon. When Jackie Chun previously blew up the moon, it left him stuck in wolf form, and quite angry about it. So, Jackie hypnotizes him into his human form permanently.
- In Bludgeoning Angel Dokurochan Dokuro has a bad habit of doing this to students who get in the way between her and Sakura. One she turns into a baboon, the other an Shiba dog. No one seems to care. Made extra-funny by how they render the change: replacing the characters heads with paper cutouts, as seen here.
- One chapter of To Love-Ru and one chapter of To Love-Ru Darkness are devoted to this, Rito being turned into a dog and found/petted by Haruna in the first one, and Haruna being turned into a cat and found/petted by Rito in the second.
- Some characters in Ranma ˝ are cursed to transform into animals when doused with cold water. We get to see a giant panda, a cat, a piglet, a goose and a yeti-bull-crane-eel-octopus hybrid. The degree of "involuntary" varies, though.
- In Negima!? the spinoff series of Mahou Sensei Negima!, Negi Springfield is turned into a "chupacabra" due to revealing the existence of magic to most of the class during the final episode.
- In the Littlest Pet Shop (2012) fanfic Blythe's Little Problem, Blythe Baxter transforms into a cat and only has four days to turn back to normal before it would become permanent... and then Sue Patterson turns into a ferret.
- Blade Star in My Family And Other Equestrians, and later Lizzie in Interlude 9 (Discord might be behind that last one).
- Lizzie's case becomes an example of Voluntary Animorphism, as Lizzie eventually wants to stay a pegasus when she is given the choice to change back.
- Cat People has werecats who are the distant offspring of black leopards with their human worshipers. Transformation is invoked by carnal relations.
- There are quite a few examples in Disney productions:
- Lampwick and the other boys partying on Pleasure Island literally make asses out of themselves in Pinocchio.
- Beauty and the Beast, obviously.
- In Brother Bear, your spirit evidently takes the form of your totem animal (good news if your totem is an eagle, maybe not so much if your totem is a salmon). The protagonist Kenai is turned into a bear by the spirits to teach him a lesson. Kenai eventually gets over his angsting over being transformed and opts to stay a grizzly and adopt the cub Koda as his little brother.
- And The Shaggy Dog on the live-action end.
- In the Kim Possible, episode "The Full Monkey", Lord Monkey Fist curses Kim with a magic amulet, which causes her to develop a monkey-ish physique... on school picture day. Monkey Fist himself is part monkey due to radical experimentation.
- The Emperor's New Groove
- "Hey, I've been turned into a cow. Can I go home?"
- The Princess and the Frog
- Merida's mother and brothers in Pixar's Brave
- "Jeepers! I'm all furry!"
- The short story The Fly and its two movie adaptations are a high-tech and horrific version of this, where either a man and a fly exchange heads, or a man slowly becomes a fly.
- In fact, this is a staple of horror and sci-fi films from the era, as evidenced by the titles The Alligator People, The Ape Man, The Bat People, The Brooklyn Gorilla, ad infinitum...
- Quite a few of the characters in Stardust get turned into animals under a number of different circumstances. A farmer is turned into a goat by the wicked witch - and then on top of that she changes him back into a human later. A female human! If that's not enough, she turns another goat into a man to act as his/her father. The protagonist is turned into a dormouse by another witch, but only because he's easier to carry in her wagon this way and she changes him back as soon as they reach their destination. Finally, a fairy woman changes into a jay and back, though it's not made clear if this is under her own power or not - there are a lot of odd things going on with this character.
- The book makes it quite clear that the fairy woman's shapeshifting is involuntary. This probably applies to the film as well.
- She turned me into a newt!
- I got better!
- In The Thief of Bagdad, Abu the thief is changed into a dog by the wicked Jafar. Curiously, he adjusts rather well to his new life, accompanying his blind friend as a dog guide.
- In Help! I'm a Fish, the three main characters accidentally get turned into fish after drinking a potion made by Professor MacKrill.
- In the movie adaptation of Roald Dahl's The Witches Bruno, and the protagonist are both turned into mice, as are all the witches at the end, very creepily losing the bulk of their mass like escaping steam.
- One of the first stories of Ovid's Metamorphoses involves the transformation of Io into a white cow. Considering that this story was old by the time Ovid recounted it, this one is definitely Older Than Feudalism.
- And another set of Metamorphoses, this one by Apuleius (second century CE), involves a young man, Lucius, who experiments with a witch's charms in her absence and ends up as a donkey.
- Franz Kafka's The Metamorphosis; the protagonist has transformed into a bug (literally "vermin"), possibly a beetle. If that's true, it adds a layer of irony to his death: he could've flown away, if he only knew...
- In The Sookie Stackhouse Mysteries, Sookie's roommate Amelia turns fellow witch Bob into a black cat during a night of wild sex.
- The Dresden Files: Using magic to transform someone else against their will is against the laws of magic, but possible. The Loup-Garou from Fool Moon is subject to a hereditary curse which causes the afflicted to transform into a nigh-invincible wolf monster and go on a rampage during a full moon.
- The Librarian of Discworld's Unseen University was transformed into an orangutan early in the second book, The Light Fantastic, by an exceptionally powerful spellbook. (Books on magic are dangerous as they are, but this one belonged to the Disc's Creator) He has since come to enjoy his new state, as the prehensile toes make shelving a dream, and the muscles capable of unscrewing someone's head off. (Which he will do if you call him a monkey) The other wizards allow this because he's the only one who can run the library, and there's no rule against an ape serving on the college council (and the wizards looked very hard for one).
- The Toad in the Tiffany Aching books is actually a lawyer who got on the wrong side of a fairy godmother, and subsequently got on the right side of the Nac Mac Feegle. The Disc will never be the same again.
- Snow White and Rose Red, a fantasy novel adaption of the fairy tale of the same name, reveals this as the fate of a Faerie who loses their magical essence. Thus, when Hugh is robbed of his essence by humans seeking to master Faerie magic, he slowly and painfully turns into a bear over the course of a month. Furthermore, anyone who fully transforms gets unceremoniously dumped out of the realm of Faerie and banished. Hugh's curse serves as the conflict of the novel, and his loss of humanity as time passes in the bear's form becomes another source of problems.
- Magnus Bane from The Mortal Instruments can turn into a cat.
- In Roald Dahl's The Witches a greedy second banana named Bruno, and the protagonist are force fed "Formula 86 delay action mouse maker" by the witches, and subsequently forced to foil their plot as tiny field mice. By turning them all into mice.
- In Buffy the Vampire Slayer, Amy, the witch, turns herself into a rat to escape an angry mob. This is on the involuntary list because she can't change herself back - as a rat, she has no powers. Amy first used her rat spell in an earlier episode on Buffy, which she later reversed.
Buffy: Yes! You will all be turned into vermin. And some of you will be fish! Yeah, you in the back will be fish!
- After witnessing this, Willow and Buffy try to frighten the mob into letting them go.
- Merlin had Freya, the Druid girl cursed to transform into a panther, albeit a winged one, every night at midnight.
- One of the films shown on Mystery Science Theater 3000, "Jack Frost", was a bizarre pastiche of nearly every Fairy Tale Trope imaginable. In one of the many plot threads, the hero is turned into a bear - and he spends nearly the entire first half of the movie complaining loudly about this.
- One of Sam's leaps on Quantum Leap was into a chimp at NASA.
- However, it should be noted that Sam leaps into people's auras, not their bodies, so all the other characters see a completely different character. Sam can, in fact, stand perfectly upright in the episode, but after a scientist remarks that this is unusual for a chimp he spends the rest of the episode hunched over.
- Happens twice on MythQuest, in different myths.
- Thor turns Váli into a wolf so he will attack his brother.
- Math and Gwydion turn Blodeuwedd into an owl as punishment for killing her husband.
- Woof!, which features a kid who involuntarily changes into a dog at times.
- Calvin and Hobbes happily plays with the Cursed with Awesome aspect of this Trope at least twice, via Calvin's Transmogrifier. In one story, Calvin is turned into an owl and isn't pleased - until he remembers that owls don't go to school and so he and Hobbes can play in the woods all day. And then, next morning, he learns that the effects of the Transmogrifier wear off overnight. At the end of the story arc where Calvin clones himself several dozen times, he ends up transforming the clones into worms. And their immediate reaction, rather than being seriously upset, is "Cool! Look at us! Let's go gross someone out!"
- Another instance is he once used the Transmogrifier to turn into a tiger, which he ended up looking like a smaller version of Hobbes.
- The Wizard of Id.
Peasant: I want you to put a curse on my insurance man.Wizard: Zooley-zooley-zat, your insurance man is now a rat!(Peasant answers his door to find an enormous rat standing there with paw outstretched.)Rat: Your premium is due...
- In BIONICLE, Metus is transformed into a snake by the Mask of Life.
- Vivisector: Beast Within deals with Doctor Moreau-like half-human animal cyborgs, but there's also hints that their creators also did something to the game's protagonist as a kid, which manifest during the events of the game.
- Glenn the Frog of Chrono Trigger was transformed by the Big Bad. Given the some of Frog's skills explicitly take advantage of his new shape (water magic, grabbing enemies with his tongue, twenty-foot leaps,) this falls square into Cursed with Awesome.
- Mario & Luigi features an early game boss fight with a dragon that hatched from a giant egg. After defeating the dragon, it turns back into main character Prince Peasley, who reveals that Cackletta turned him into the dragon and trapped him inside the egg to get him out of their way.
- In the adventure game Loom, the ultimate punishment tor Spellweavers — "Transcendence" spell — involves transformation into a swan.
- The manual explains how the protagonist's mother got transformed shortly after his birth.
- His foster mother gets transformed into an egg shortly after the game start (the spell went wrong). Later she hatches as an adult duck.
- Immediately after she becomes an egg, a swan appears and transforms into swans the whole village except the protagonist.
- In Quest for Glory I, Baba Yaga turns you into a frog, and the Dryad will turn you into a white stag if you offend her.
- Three cases of this happen in the Jak and Daxter series :
- At the beginning of the first game, Daxter is turned into an ottsel after being knocked back into a pool of Dark Eco by accident. The plot of the game is to find a way to change him back into a human, though in the end, he is forced to give up his chance to allow Jak to defeat the Big Bads. He has since accepted his new form.
- Near the end of the third game, Count Veger demanded that he'd be transformed into a Precursor when Jak is given the chance. One reveal later, he's stuck as an ottsel and at the mercy of Kleiver.
- At the end of the third game, Tess is turned into an ottsel when she wishes she had pants like the ones Daxter just got.
- Thanks to her greed, Aire from Final Fantasy: The 4 Heroes of Light gets cursed into a cat form.
- In Patty And Mr Miles, all the men in Rinu Village have their heads turned into various animal's heads thanks to a witch's curse.
- In The Order of the Stick, Vaarsuvius is temporarily changed into a lizard.
- Zoe from Sluggy Freelance is in something of a grey area between voluntary and involuntary shapeshifting. The magic tattoo on her neck causes her to transform into a camel whenever someone says "shupid" near her, and it changes her back when someone says "kwi." Technically, Zoe could say "shupid" and turn herself into a camel, but this is pretty unlikely since she doesn't like transforming and, in camel form, she can't say the magic word to change back.
- She did it once, when she needed to hide fast and a random camel in a closet wouldn't raise eyebrows.
- In Kevin & Kell, the portal from Earth to Furth transforms humans into appropriate animals. Except Martha, when she was hiding in a lead-lined barrel.
- An apparent running gag in Electric Wonderland involves Aerynn turning NJ into a random animal whenever she needs help protecting herself and/or their teammates.
- In El Goonish Shive, Dan once turned Melissa into a cat in a filler strip (which got carried over into a later filler strip).
- All four members of Panthera can turn into big cats. Useful enough in itself, but they can also use Elemental Powers while transformed.
- An interesting example happens in Crimson Flag, where the normally anthropomorphic fox characters are turned into normal foxes. This is more going from a Petting Zoo Person to a normal animal.
- Jackie Chan Adventures features the Monkey Talisman which allowed the user to transform any object (living or not) into any animal (except transforming stone or rocks would create animal statues instead) and back again. Whether voluntary or not usually depended on the situation.
- Jade also suffered two additional transformations during the series, once turning into a cat person after being scratched by a magical artifact, and another time turning into a donkey due to a chaotic spirit.
- American Dad!'s Klaus is an East German Olympic ski jumper, semi-permanently placed in the body of a goldfish. Apparently, the fish got his body in the deal, but couldn't use it.
- Kim Possible: Kim was turned into a monkey, and Ron was turned into a beaver (though not in the same episode).
- The Fairly OddParents: Cosmo and Wanda frequently turn into animals to disguise themselves to keep up the Masquerade. No one seemed to care or even notice that their fur/plumage is green and pink.
- One episode had Timmy trading brains with a dog, only to find himself unable to change back, since the fairies couldn't speak Dog.
- Totally Spies!: Clover gets turned into a Cat Girl in one episode.
- In The Spectacular Spider-Man, biogeneticist Curt Connors pays the price for using himself as a guinea pig for a limb-regenerating formula made from genetically modified lizard DNA. He regains his right arm, but then transforms into the Lizard, an unthinking humanoid reptile. He only returns to normal after Spider-Man force-feeds him an antidote, losing the new arm in the process.
- Even though the title characters don't count, in the 80's Teenage Mutant Ninja Turtles cartoon, April O'Neil had undergone a few involuntary transformations, including a cat and a fish.
- And while the turtles themselves don't count, their master Splinter does, as the same ooze that turned them into humanoid turtles turned him, formerly a ninja master named Hamato Yoshi, into a humanoid rat.
- Baxter Stockman turns into a fly when entering a portal at the same time an actual fly does.
- Beast Wars inverted a large part of the trope. Where most heroes use animal forms to become stronger, these Transformers use them to mainly protect themselves from local radiation, and can only spend limited time in the "human" (humanoid robot) form that has the real power: their guns.
- In the Phineas and Ferb episode Does This Duckbill Make Me Look Fat? Candace and Perry get their minds swapped by a teleporter mishap.
Candace: Am I sweating milk?
- In the Defenders of the Earth episode "Dracula's Potion", the titular potion transforms all the Defenders except the Phantom into the animals which best reflect their personalities.