"Because never in my entire childhood did I feel like a child. I felt like a person all along—the same person that I am today. ....The nasty side of myself wanted to answer that guidance counselor by saying, the only reason you don't think gifted children talk this way is because they know better than to talk this way in front of
Toddlers can form complex ideas and speak in full sentences. Eight year-olds are looking for their true love
. Your fourteen-year old will often fret about work and already be looking to settle down with their high school sweethearts. A group of nine-year olds will bike on down to the next town with no parents in tow
. The seven-year old kid down the street will never eat a bunch of sugar and cry because he didn't get the toy he wanted; he's too busy planning out a zany, very involved scheme to get what he wants.
You may have noticed that children in fiction act notably older than their Real Life
audience. There's a good reason for this. Any fictional depiction of young people is going to be viewed through the lens of an adult
. Most writers aren't themselves children. They tend not to be child psychologists either. If they don't happen to have children, but must write young characters, they tend to end up with characters who are tiny adults. The characters are physically children but they are still treated as adults in most situations (except for when plot calls attention to it). This is usually in terms of personality, how they react to situations, and the situations that they get into in the first place, which tend to involve plot points generally associated with more mature series.
This is significantly more prevalent in animated shows starring kid characters, since it's easier to get an adult voice actor to act like an adult than to get a live action child actor to act like one, naturally. Often a staple of ongoing series that use Adults Are Useless
, the Kid Hero
, or really anything where kids are the main characters but the series is targeted towards all ages. This is an omnipresent trope. In general, fictional children tend to act at least five years older than their stated age. There is some overlap with Wise Beyond Their Years
, but that trope deals with cases where one or two characters act like this.
Note that children acting in ways that they shouldn't be able to, i.e. like adults,
is also a common go-to Horror Trope
, though comedic versions
are not unheard of, either.
See also Improbable Age
and Vague Age
. Sometimes results in Menace Decay
. Compare Most Writers Are Human
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Anime and Manga
- In Pokémon ten is the age at which one can leave home to become a Trainer and fend for him- or herself. And while they are still called "boys" and "girls" instead of "kids", they still look, talk, and sound more like teenagers. And how do they make money to support themselves (and their Pokémon) if they're traveling all the time and can't hold a job in any fixed location? note
- At the same time, the fictional society of Pokemon has the titular creatures being so centered into society that perhaps it's just very difficult to imagine how their society would have ended up similar to the real world, yet also much more differently.
- The Digimon franchise, where a bunch of kids are thrust into the middle of nowhere and exposed to powerful mons without any adult supervision whatsoever...
- This trope is justified, for Digimon Adventure anyway. The kids were ripped out of their reality and placed into the Digital World, and its war, against their will. Digimon Adventure 02 is bit more dodgy, since they come and go at will, but at least it's simply what the kids choose to do, and they know another world is at stake, and they're the only ones capable of saving it.
- Digimon Tamers is the big aversion of the franchise: the characters generally act much more like children, their adventures in the Digital World have clear emotional consequences as one'd expect from children, and they are supported by adults who are instrumental in taking down the Final Boss.
- Digimon Frontier and Digimon Xros Wars have the same justification as Adventure, with the caveat that Taiki is slightly more reasonably-aged than the Adventure protagonists. Digimon Savers is the most reasonable: the youngest of the protagonists is fourteen, and they're working for what amounts to a police force.
- Mon Colle Knights. Justified with Rokuna, since her mother left, her father spends most of his time in his lab, and she has no choice but to maintain her household (not to mention that she's a genius). There's also the fact that most kids in real life cannot summon the sheer bravery that she and Mondo (and other child characters at times) can when facing off against monsters many times their size. (And that's saying nothing about Rokuna's English-dubbed voice.)
- Cardcaptor Sakura has underage characters develop romantic feelings for one another, and of course, talking as if they're older than they are.
- Even goes so far as to have one of the kids in love with her teacher, and vice versa. But then, considering this is CLAMP...
- The World of Narue. Kazuto develops romantic feelings for Narue, instead of mere lust... although he does sometimes briefly gets perverted thoughts.
- A Little Snow Fairy Sugar. Saga and her fellow 11-year-olds. She also has a part-time job, prioritizes a lot more than can be expected of any real kids her age, and acts more as a mother-figure than a sister-figure towards her little cousin.
- The fairies (at least the younger ones, such as Sugar herself) do act more like children, though. Brownie points for that!
- Naruto is a strange case because while most of the young characters in it would fit the trope, Naruto himself is as mature as a person his age would really be (initially), making him seem immature just by virtue of being normal.
- May be justified in this case, seeing as how the fictional society in which they live apparently saddles young people with responsibilities up to and including conducting wars at much younger ages than we consider appropriate in ours. Some characters, like Itachi and Kakashi when they were young and Shikamaru take this to the point of being flat out Wise Beyond Their Years.
- FLCL lampshades the hell out of this trope, with twelve year olds Naota and Ninamori always trying (and failing) to act like mature adults.
- Of course, they are arguably more successful at it than the actual adults in the story.
- Although this says more about the behavior of the adult characters then the behavior of the children.
- Slightly averted in Dennou Coil, with interesting results: The children, acting as children and treating everything as a game, are capable of more in a virtual environment than adults, that act like an adult (save for moderator Tamako and the grandma). When the children find out it wasn't an online game at all, the story becomes Japanese horror.
- They all still act remarkably mature for 12-year olds. It's only very occasionally that their behaviour reminds us that they aren't adults. In fact, combined with the fact that they sound quite mature as well, the only thing that reminds us that they aren't in their late teens is their modest development.
- One point of criticism in the Anime News Network review of Magical Girl Lyrical Nanoha is the seemingly unrealistic maturity of the main character. The first time we see the nine-year-old heroine, she's pondering the direction and purpose of her life, which has been perfectly ordinary so far.
- Very, very averted in everything Hayao Miyazaki ever writes, except the ones that don't actually contain children. Even Markl only acts mature because he's consciously trying to.
- Lampshaded on Yu-Gi-Oh! GX. Teenagers should not be saving the world!
- Kanon, where 18-year-old Yuichi and others talk kinda like adults... even though just the opposite of this trope is displayed particularly with Ayu.
- Ayu and Makoto are the biggest exceptions to the trope, for justified reasons. Ayu is mentally younger than she seems, since she's been in a coma for the past seven years. And Makoto is the youngest member of the cast at around 14 or so...or rather, she's a fox spirit pretending to be a 14 year-old human.
- Ditto for just about everyone in The Melancholy of Haruhi Suzumiya, also released by same company Kyoto Animation. That is, except for Haruhi herself and Kyon's ten-year-old sister.
- Inverted with another K.A. work, Lucky Star, where the "teenage" girls look, talk, and sound like preteens. The cutesy music and pastel-colored artwork only makes this series feel more like elementary school than high school. (Especially for Konata and Yutaka, who look immature for their ages even in-universe, and in the former's case, is not very responsible about her schoolwork.)
- Until they start talking about eroge. Or about yaoi. Or about their periods. Yeah.
- Gundam abuses the hell out of this trope for just about every single series. Many of the Super Prototype Gundam pilots are just an Ordinary High-School Student around the age of 16 who's never even touched something of such mechanical complexity, (But are frequently well gifted with robotics) however can instantly grasp how to operate the machine. Even if top Aces much older then them had trouble with them in the past. Beyond that point, they often behave with a maturity and sense of purpose a decade beyond their time, unless they are a Wide-Eyed Idealist. Even then, they can possibly be capable of being the leader of an entire country, or at least a Cool Ship.
- The titular character of Ojamajo Doremi falls in love more often in one season than other people in their whole life. And she is 8 at the start of the first season.
- Due to Fridge Logic, Lelouch of Code Geass is a borderline example, being a 17-year-old capable of leading an army and dealing with politics without any (visible) prior experience. Yes, he's The Prince and a genius, yet the show asks the viewers to accept that he's capable of leading La Résistance against the well-trained army of The Empire with experienced military commanders ten (Cornelia, Schneizel) to twenty (Tohdoh) years older than him.
- Now and Then, Here and There. It's justified though.
- Averted in Pani Poni Dash!. The whole point is that the main character is eleven years old, has a job as a high school teacher, and yet acts childishly as you'd expect someone her age to (such as shrieking at the top of her lungs or calling her students by distinguishing traits rather than their names).
- This is a common criticism of Shugo Chara! where the 11-12 year old protagonists act like they're 15/16. Oddly enough. Utau, who is actually 15, still acts more mature (Although, some - times, it only is an act.), whereas Ikuto, who is two years older than her, is actually more of an impish figure, but still manages to be probably more mature than her when he isn't doing that. (Although whether it's for the best or not is variable.)
- Sugar Sugar Rune treats ten-year-olds dating and having boyfriends/girlfriends as the norm, to the point where it's literally all they seem to think about. Granted, some kids do discover the opposite gender at that age, but not to this extent.
- Popotan averts this with Mii, who is very hyperactive and obsessed with Magical Girls and puffy things. Played straight, though, with supporting character Daichi and his classmates. Miyuki is arguable.
- Nichijou averts this with the Professor (an eight-year-old girl), and with Yuko, Mio, and Mai (all in high school). The latter three are basically on par with the Lucky Star girls, while the former is tantrum-prone, craves snacks, etc.
- The various Robins have been theoretically in their teens. Outside of awkward romance they have rarely had anything in common with teenagers. Then again, they are being raised by Batman. Lampshaded in an issue of Young Justice:
"I bet you were born potty-trained, weren't you?"
- The original New Mutants (oxymoron noted) of X-Men fame had this problem. While the kids didn't act like adults per se, they certainly didn't act like teenagers, superpowers notwithstanding. But then again, they were created by Chris Claremont. Marvel later redeemed themselves with Generation X.
- Sugar and Spike was about two young babies who were fully aware of their surroundings and capable of semi-rational thought, but spoke a language only the two of them understood. "Fxlbgl?" "Rtmskt." "Word."
- Runaways focuses on a group of preteens and teenagers living together without any kind of adult supervision. For every example of the characters acting their age—making out in public places, not knowing about current events because they've been watching Friends reruns instead of the news—there's a dozen examples of them handling situations your average adult would find overwhelming. And while most of them go through crushes like any normal teenager, two of their relationships become quite serious: Gert and Chase act more like husband and wife than boyfriend and girlfriend, and Xavin and Karolina are actually engaged. (Granted, it started out as an arranged marriage to end the war between their home planets, but they stayed together long after that arrangement fell through.)
- The Young Avengers are like a less extreme version of the Runaways. All of them are at least living with some sort of adult guardian, but they're still a group of teenagers who banded together to fight crime all on their own.
- The Legion of Super-Heroes, depending on the version, had characters considered legally adult at 14. The reboot had Ultra Boy and Phantom Girl getting married at some vague age not too long after that, which on top of that happened when another 14 year old almost got married.
- Averted with Bio Apocalypse, which was actually written by a child.
- The Life of a Fetus series by Andy Ristaino, revolves around a baby who escapes the womb prematurely and goes on an existentialist journey. The puppeteer character Billy also acts disturbingly adult (though he speaks like stereotypical 1950s child). Of course, this is fully intentional and kinda the whole point of the story.
- Averted in The Mighty Oz's Nine Lives One Love. The author has Nepeta acting like an actual pre-K child, talking in a childish manner and doing childish things.
- Spy Kids, particularly the sequels and especially the third one.
- The "kids" in The Wizard talk more like 1980s businessmen. That's not even getting into the pedophilia implications of one scene.
- Bizarrely enough, a very common criticism is that all the adults act like children. Maybe the script got the characters mixed up?
- Averted in Paranoid Park, where teenagers actually act like real teenagers, complete with sexuality and the thrill of taking risks. Needless to say, the MPAA classified this as a quite adult film.
- Inverted in the 2009 Astro Boy movie; most child characters look and behave much younger than their given age. (Astro/Toby is said to be thirteen and more closely resembles a nine-year-old; Cora is claimed to be seventeen but comes off as perhaps fifteen; the twins are said to be nine but seem more like six or seven-year-olds. Zane, on the other hand, is fourteen and seems accurate.) Of course, this is long-term in Astro Boy - the original was claimed to be nine and looks six.
- This was the main problem with Blank Check: a 12-year-old receives a million dollars in cash, and while he does buy a lot of frivolous entertainment, it's glossed over with shopping montages and the plot focuses on things an adult would want, such as buying a castle and seducing an adult woman.
- Lampshaded in The School Story, a book about a kid who writes a book. One of the adults mentioned that the author seems to be really good at portraying kids accurately.
- In The Pendragon Adventure, the "books" are Bobby Pendragon's memories of what just happened to him being recorded. He writes in very professional prose.
- During the course of the series, the timeline is different for him than for the characters who primarily stay on earth; he is probably older than expected (and he does write a lot).
- A Song of Ice and Fire. Justified though, childhood can be eroded in harsh conditions, and one wouldn't be able to act like a dumb kid in this Crapsack World. For Sansa, who tries to be a good little girl and believes what adults tell her, things do not turn out well.
- The Babysitters Club. It seems that any time they actually ACT like typical 11 or 13 year olds Stacey would find them quite immature. Of course thinking you're SO much more mature than everyone else is also typical 13 year old behavior as well.
- Also, some of their sitting charges as well (when they're not acting a lot younger than they should be, such as five-year-old Andrew who doesn't know what New Year's is). Take for instance one of the Perkins girls: she's two years old, and yet speaks in complex full sentences and acts more like she's around TEN!
- And then there were the jobs they were entrusted with by adults, the most egregious being the "Super Special" plots, where they would take charge of younger kids away from home, including while stranded in a snowstorm and on vacation in New York (which was a strange city to most of them!). All they had to do was offer to help and explain that they had started an after-school baby-sitting business, whereupon one of the parents they'd worked for would chime in with, "They're very responsible," and bingo, they were treated like honorary adults, no further questions asked. And since eleven was the magic gateway to the Competence Zone, often they would be "taking care of" kids who were only a year or two younger, who might exhibit different kinds of brattiness or stubbornness but would always treat them as an authority figure to be strategically undermined instead of just saying, "Dude, you're my age. Stop acting like a camp counselor. No, I don't want to see what's in your Kid Kit." Apparently you can be "handled" up through the age of ten, and after that you enter a higher plane of thinking and gain all kinds of insight into the minds of "kids."
- Mallory wears an "I <3 Kids" shirt at the age of eleven. If you saw that in real life, you'd assume it was a last-resort item belonging to her mother and they were behind on laundry at her house,
- Ender’s Game. The author does point this out in the foreword of some editions, in what amounts to, "So what?" Somewhat justified by the fact that the kids are supposed to be towering geniuses, and most of them are being pushed to their limits. Especially Ender.
- Averted by the early works of Gordon Korman. He had his first book published when he was 14, and got into a groove of writing stories about kids that feel genuine in tone (if outlandish in narrative events). Although he's grown up by now, works like No More Dead Dogs still feel like they're written by a teenager who happens to be a professional writer.
- An American Dream. Steven Rojack's stepdaughter Deirdre is fluent in French, has a flair for poetry, has an eloquent understanding of marriage dynamics, and apparently believes that "people want to make love after a death". Rojack openly acknowledges this by noting that "she always spoke like an adult".
- Averted very much so by authors Beverly Cleary and Judy Blume, in different ways. Beverly Cleary's books about kids have kids who act their age and even do a great job of making you see the way a third-grader (or first-, or fourth-) thinks and views the world, and are very cute and light-hearted. Judy Blume's books are harsher and more towards the cynical scale of the Sliding Scale of Cynicism Versus Idealism, portraying kids who are not only not "innocent", but featuring very harsh realities (middle schoolers who drink, bullies who do not get their comeuppance).
- To Kill a Mockingbird has been accused of using the "cute precocious kid" device to get away with having six-/seven-/eight-year-old Scout know and think things she really probably wouldn't, no matter how smart she was and how much Atticus told her about practicing law. And then there's Dill's philosophizing; you could argue that he's not really supposed to understand the full reach of some of the things he says, but a lot of the time he just sounds a little too knowing. On the other hand, Scout is supposed to be recalling the plot rather than describing it as it happens, so some at least of the precociousness can be explained by her either "tidying up" what was said or thought through the lens of a rational adult, or simply wrongly attributing stuff in hindsight.
- Tamora Pierce. Most of her protagonists start out at around ten and grow into their late teens or adulthood, and they're usually fairly mature before their Character Development. The Circle of Magic books, for example, feature a Four-Temperament Ensemble who all become accredited mages at the Improbable Age of fourteen and thereafter mix (apparently exclusively) in adult circles, and most any character who even suggests they might not be as mature, capable or knowledgeable as older people is either a Jerk Ass to be publicly humiliated, a villain to be defeated, or both.
- In the Tortall Universe, pages start combat training at about ten years old and train for four years to become squires. The two quartets to have much to do with that are told from the POV of a page; the first one, Alanna, acts considerably more childishly than the second one, Keladry. This is probably due to temperament; Alanna is an impulsive hothead, especially in her youth. Still, they tend to be quite mature.
- Some of this is justified through the fact that they're in medieval settings, where children were expected and often had to be more mature than modern children of the same age, since they had to help work at the family trade or saw combat or family deaths.
- Some readers have suggested Tiffany Aching, the nine-year-old witch in The Wee Free Men doesn't seem like a real nine-year-old (she seems to pretty much run the dairy herself, for a start). The Brownie troop that made Terry Pratchett an honorary member disagreed, though...
- Averted in Stephen King's It. King really gets the way children think and reason. Except for the orgy chapter. Although it's tastefully done, Bev has sex with all six of her friends, and that's not something eleven year olds generally do.
- Averted in the works of Robert Cormier, e.g., The Chocolate War and I Am the Cheese. His teens swear, masturbate, drink, fight, and just generally flout the artificial limits imposed in the majority of American literature.
- Scott Ciencin's Dinoverse features a batch of 13-year-olds who sometimes do act their age. They're remarkably composed about the situation they find themselves in - cast back in time by 64 million years and possessing the bodies of large, charismatic Cretaceous-period animals - but they're each variably impulsive, self-centered, grudgy, and kind of whiny. Cue character development; they act much older at the end of the book.
- Arguably justifiable - most adults would probably find being sent 64my back in time and being turned into dinosaurs to be truly disturbing. Most 13-year-olds would probably find it truly AWESOME.
- In some of the sequels a teacher is also sent back and turned into a tiny Hypsilophodon. He spends a lot of time screaming and flailing at first, and while under the protection of his larger, more imposing students he tries to act composed but freaks out easily. One of the students scornfully thinks that he's acting like a baby. At some point he gets separated and has to do things himself, which makes him calmer but also gets him thinking he feels like he's thirteen again, and acting like it. Problem is, his thirteen is brattier, more self-centered, and generally more unhelpful than that of the actual thirteen-year-olds, who are a little better at deciding when to stop and think.
- The protagonists in V. C. Andrews works start out as sixteen (sometimes younger), and right from the start, they all act, talk, and think more like thirty-somethings. In the "Orphans" series, the girls are twelve in their individual stories, but act sixteen. It goes the other way around too—notably in Midnight Whispers, where the protagonist's nine-year-old brother acts/is treated more like he's five.
- The most extreme example is possibly Jordan in the Early Spring series, who is six years old at the beginning of the story and eight or nine by the end. Her narrative voice is no different from that of any other of VC Andrews's protagonists. One of the main plot elements is her dealing with premature puberty (that causes her to start her period at age seven) and she's mentioned to look more like a pre-teen because of it; the author seems to have thought this would also give her the mental age of someone at least in their twenties.
- Five-year-old twins in the mystery novel Aunt Dimity: Vampire Hunter are able to draw such compelling and detailed pictures of the "vampire" they saw in the woods that it nearly gives their mother nightmares. Most kindergarteners still draw "people" as a circle with sticks coming out of the bottom for legs, so while not unbelievable, this would be very rare. (Just as some kids read before kindergarten, some draw well much earlier than others.)
- In A Series of Unfortunate Events, Sunny Baudelaire is a baby, yet has the same knowledge and intelligence as her teenage siblings, and this is not treated as remarkable.
- This is actually a Running Gag. While Sunny's behaviour is certainly adultlike (which can be partially, at least, justified in that she's living in a horrible, horrible world) one must remember that virtually all her language for the first half of the series is nonsense; it's the author that is translating for us, and he never states for a fact that it's what she's actually saying; instead he always uses "she probably meant", "something along the lines of", etc. It's also Zig-Zagged in several books; in The Miserable Mill where Violet and Klaus refuse to let Sunny chew gum because she's too young, and yet have no issues with her hanging around a lumbermill where OHS is non-existent. In the next book, her siblings angrily point out that babies should not be secretaries, yet the principal still blames Sunny for, among other things, not making her own staples and failing to use correct English when answering the phone. Finally in the penultimate book we have Kit Snicket giving the orphans a speech on how they're not children anymore; Sunny's response is a word which apparently means "I think I'm still a child."
- Ayla in Clan Of The Cave Bear matures exeptionally fast both physically and emotionally. She is taught to become a medicine woman at the age of six, teaches herself to hunt at the age of nine (which was also when she has her first death curse, the neanderthal equivelent of incarceration), goes through sexual maturity at the age of ten and has her first child at the age of eleven (!!!). Then again, she is raised by neanderthals, who physically mature at a faster rate than the cromagnons and wonder why she did not physically mature EARLIER than she did.
- Yulia in Night Watch is a bit of a zigzagged example. At thirteen, she acts like an adult and works as a Night Watch analyst. But she also sits in someone's lap to play computer games.
- Taken to sickening levels in The Clique series, where the 12-13 year old protgaonists act like women in their 20's with all the implications that follow. It's so prevalent that some critics compared it to Lolicon.
- Averted in S.E. Hinton's The Outsiders. Hinton was 16 when she wrote the book, and the voice is pretty authentic.
- Averted in Murderesss. Daya Marnin started writing the book when she was 13, and it shows: the characters act and talk the way teens would. On the other hand, Lu’s extensive vocabulary, especially after crossing over to Greywalld and discovering she’s now an Omniglot, was somewhat amplified in the English translation by the 22-years-old N. L. Lumi, who felt that it would make sense for an omniglot to be well-versed in their native tongue.
Live Action Television
- Most teen soaps in general, especially those with Dawson Casting:
- The O.C.
- Saved by the Bell, too. The characters on that show act more like 20/30-somethings than teenagers. Ironically, despite averting Dawson Casting, they also look more like 20-somethings than teenagers.
- Quite a few of Hispanic Soap Operas directed to kids and tweens have an over-emphasis on romantic plots. This has come to bite back, since Real Life preteens now seem as worried about romantic issues who are seen by their parents as way over their age.
- In Carrusel, the girls play with dolls and read comic books, while at the same time talking about boys, clothes, celebrity gossip, and romance novels/soap operas. The boys have varying levels of interest in girls, but all still like boyish pastimes.
- Pretty much all the protagonists in the various incarnations of Power Rangers rarely act their or partake in realistic activities for their age.
- Averted by Series/Skins. The production staff frequently hired young writers to give input and make sure that the language and interactions were more realistic. Word of God states that some of their writers had to miss sessions for their A-levels (for those who don't know, they're standardized tests that must be completed after secondary school in England). Some, however, would argue that the show's portrayal of an average group of English teenagers as functionally independent, rave-attending, promiscuous substance abusers was still a gross misrepresentation, and thus believe it was played straight.
- Peanuts. These kids occasionally take on amazingly adult responsibilities, such as the time Charlie Brown checked himself into the hospital.
- Calvin and Hobbes played this to excellent effect, with him sometimes wise beyond his years, and sometimes just being hyper-articulate about his various selfish whims. To quote Watterson, "Calvin has never been a literal six-year-old."
- Simultaneously justified and averted in FoxTrot: the featured pre-teens are Jason and Marcus, whose adult speech and mannerisms are justified by them being a pair of hyper-intelligent ultra-nerds. Averted in that the two also indulge in childish mannerisms, and their peers behave in age-appropriate manners.
- Most of the point of Cul De Sac, similarly to Calvin and Hobbes, is taking children and seeing what happens if they're as articulate as adults while retaining their childish personalities.
- Bloom County features "children" who work for newspapers, run political campaigns, and hack into government organizations. Granted, this IS a strip with talking animals, space aliens, and tons of breaking the fourth wall so it may be justified as Rule of Funny.
- Most artwork from the 16th through early 19th centuries tends to portray children as small adults.
- Possibly because children wore the same clothes as adults once they got out of baby clothes. Until well into the 19th century, the only difference between a nine-year-old's clothes and a thirty-year-old's was the size.
- Psychonauts, sort of. The characters are all probably between 8 and 12, and they still have relationships, unrequited love, etc. But at the same time, they still have the songwriting skills of young kids, think friendship bracelets are awfully important, and have the general maturity of that age group, such as one camper assuming that his father hates him and wants him to die just because the father is very strict.
- Part of the reason for that mixture is that while Psychonauts features a mostly underage cast, it's definitely not intended for children, and the trope itself is pretty consistently Played for Laughs.
- The majority of the Sonic the Hedgehog cast are under 20, while the main protagonist himself is 15. Tails is 8. Child Genius or not, he seems more mature/rational than the rest of the main cast. Also, since when is a 15 year-old and an 8 year-old allowed in a casino?
- Backyard Sports.
- The average age of the cast of The Legend of Zelda: The Wind Waker is a lot lower than that of most other Zelda games. You wouldn't notice if it wasn't for them being modelled in Chibi-style. Medli is just as sage-y as every other sage in the series (while being about 10 years younger than every other sage in the series), the Koroks (who are repeatedly called "child-like") speak in a way you would expect from the royal court members of England and pre-teen Tetra... Let's not start about Tetra.
- Inverted in Heavy Rain. So much so that you have to wonder if the main kids portrayed are actually meant to be mentally handicapped in some way. The game features a 10 year old who blindly wanders away from his father into traffic, for God's sake.
- Inverted in Axe Cop, which actually is written by a child (though edited by his adult brother). This means the adult characters act very much like children.
- Strangely enough, this is averted in American Nerd in that while the main character lives in an apartment in Japan, alone, Artist is only (right now) slightly older.
- In Homestuck, all the main characters are roughly 13 years old ... when their segment of the story starts, anyway; by now they're up to about 16, so their preoccupation with romantic concerns is a little more believable. The trolls in particular seem considerably older than their physical age would indicate; by the age of 13, most of them are pretty much maintaining their own households, and several of them are directly responsible for multiple murders.
- At least in the Trolls' case, they're aliens with a very alien culture. One where life is harsh and murder is considered, at worst, a faux pas. Furthermore, Trolls are raised by monsters; animals at best slightly smarter than a simple beast. The guardians can provide protection from threats, hunt up some food, give a modicum of emotional care...and that's about it. Trolls have to grow up, and fast.