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- Axis Powers Hetalia: Seychelles and Taiwan. The former has some elements of The Ditz and openly admits to prank-calling her former boss England; the latter is a Motor Mouth and the Energetic Younger Sibling to the rest of the Asian countries. Both seem to highlight this element in their character songs, with Seychelles humming her song while the music isn't even playing and Taiwan singing about making problems go "poof".
- Azumanga Daioh: Self-described "wildcat high school girl" Tomo (pictured above). We know she's a Genki Girl because "Genki!" is the first thing she says.
- Baccano!: Miria Harvent, who comes with an equally-hyperactive boyfriend and partner in crime, Isaac Dian. They seem to have an amplifying effect on each other (at least, their seiyuu do). Since they're inseparable for their entire screen time, it's impossible to tell how genki they are individually.
- However, later on in the light novel Isaac actually lets himself get arrested so as to keep Miria out of trouble, and once separated they are both much less exuberant. Miria even reminisces about she thought she'd never smile again until she met Isaac.
- Beach Stars: Iruka◊, the main heroine, is a ball of energy in constant motion.
- Even as an adult, Nelliel had her moments of hyperactivity, particularly when she mood-swung from calm and melancholic after blowing up Nnoitra, to ecstatic and girly before glomp-humping Ichigo.
- Chizuru is very, very excitable when around Orihime. Tatsuki does her best to keep her in line but there's only so much she can do.
- Masaki in the past. She is naturally cheery, outgoing and rather energetic, but will also use that attitude to hide her troubles, such as her despair over knowing she's being groomed to marry Ryuuken.
- Cardcaptor Sakura:
- One of Sakura Kinomoto's most notable traits is her cheerfulness which both her and almost everyone else who knows her acknowledges. Although she matures over the course of the series, she remains overwhelmingly affectionate and cheery.
- Nakuru Akizuki frequently likes to glomp on Touya and often treats Spinel like her beloved pet, though she is also a Manipulative Bastard and a technically-genderless spirit being rather than a human girl, though she more or less refers to herself as a girl.
- Dr. Slump: Arale Norimaki, with a dose of Super-Powered Robot Meter Maids, Cute Bruiser, and definitely Cloudcuckoolander. She's as energetic as she is powerful.
- Endride: Shun is so energetic he manages to get excited about doing laundry simply because it's doing laundry for the revolution! Emilio criticizes him over his unflappable enthusiasm, but as Shun points out, if the alternative is to be total sourpuss like Emilio, he'd like to stay enthusiastic.
- Time of Eve: Akiko acts like this when the main characters first meet her. They automatically assumed she was human, only to discover that, in public, she is an emotionless Robot Girl. This is a façade, though, so being a Genki Girl really is her natural personality.
- Excel Saga. Excel takes "Genki" to previously unseen heights. Even modern Genki Girls are tame compared to her.
Il Palazzo: "Ahh, Excel. Wastefully cheerful as always, I see."
- FLCL: Haruhara Haruko calms down for maybe thirty seconds an episode, and sometimes not even that much.
- Fullmetal Alchemist: Winry Rockbell. She goes full-on Bishie Sparkle, Squee!, and arm-wavy mode whenever she sees something cute or acting cute (Elysia Hughes weeded this mode out of her the first few minutes after she met her), something's caught her interest (mainly anything involving automail—e.g., Rush Valley or a shopping spree in Central), or a rather vicious (and comic) argument with Ed (again, mainly over automail). The times that she's not in genki mode are when she's realized something tragic or an error in her construction (e.g., learning about Maes's death or discovering the missing screw in Ed's newly-constructed automail arm after he left to go investigate Laboratory #5), or when she's concentrating on building a new automail body part.
- Future GPX Cyber Formula: Asuka is rather cheerful and lively, especially when she cheers Hayato on. However, her genki-ness has been toned down in the OVAs when the dangers of racing becomes more apparent.
- Gourmet Girl Graffiti: Kirin is very upbeat at every moment. Shiina compares looking at her to watching the circus in Chapter 24.
- Haruhi Suzumiya:
- The title character is an avalanche of Genki Girlness who drags everyone nearby along with her. This is expressly stated in the audio drama's main song "First Goodbye", which is, in-canon, written by Haruhi herself (and just as autobiographical as "Lost My Music") with the line "Igai to genki!".
- Tsuruya-san, a minor character, is something of a Motor Mouth and a cheerful Genki Girl, emphasis on the "cheerful". She's a natural co-conspirator with Haruhi when Haruhi isn't working with Little Sister.
- Hidamari Sketch: Miyako. While she's prone to sleep in class and can sometimes sleep for 12 hours in one go, once she is awake, she's quite energetic. One episode shows her coming into Yuno's apartment, showing no signs of having awakened two minutes ago; another has Yuno pointing out that she's hyper even in the morning. "That was quick!" is a common phrase applied to her actions, whether she's gobbling down food or making art (usually impromptu). But despite all her teasing, she's a likable person, a good friend...and, surprisingly, does well in school!
- Hyakko: Torako. She's of the Genki-Ditz blend, considering she makes her debut by leaping out of a window. It's a second story window, but she definitely chooses the quickest way to get from point A to point B.
- Hyouka: An interesting example in Chitanda Eru, who is so vivacious and bubbly that Oreki often perceives her as having an inner glow.
- K-On!: Ritsu essentially holds the club together with her enthusiasm.
- Kaleido Star: Sora is amazingly energetic. Emphasis on amazingly. Her friends Rosetta Passel and Marion Begnini try to keep up with her, but they still have a way to go.
- Kill la Kill: Mako Mankanshoku is one of the genkiest girls in anime and is the perfect foil to resident angry Hot-Blooded Badass Ryuko Matoi. Whenever Mako opens her mouth, you can be sure that she will say something either crazy, hilarious or both sooner or later. Really, this girl is a walking Crowning Moment of Funny.
- Kimi ni Todoke: Chizu is hyperactive to the point where she involuntarily knocks people down in the school corridors and gets irritated comments from other characters on a regular basis.
- Kodomo no Omocha: Kurata Sana is the archetypal Genki Girl. The Fan Vid "Caffeine Ecomium" gives some inkling of just how energetic she is; none of the sequences in this video have been sped up.
- High School Debut: Haruna is so genki she's almost a Badass Normal. One of her recurring sentences is "let's work hard!"—cue high-fiving everyone, running around doing more physical work than the guys, and tiring everyone out. Oh, yeah—and she can put up a physical fight with guys, including potential assaulters. Her over-the-top genki-ness is arguably part of what makes her such an endearing character.
- Lamune: Hikari. It's noted by the male lead (her cousin) that she acts much like a kid, despite being a year older than him.
- Love Hina: Kaolla Suu. When she latches onto Keitaro in the second volume of the manga, the other girls note that Motoko's the only one with the stamina to keep up with her for very long.
- Lyrical Nanoha:
- Reinforce Zwei, in contrast to the original angst-filled Reinforce.
- Nanoha herself when she's younger. "ATTACK WITH MAXIMUM POWER!!!". Some events and age makes her Older and Wiser.
- And then we have Subaru (a die-hard fan of Nanoha herself) is part this, part Boisterous Bruiser. At least until someone hurts her sister...
- Lutecia Alpine in ViVid. Yes, really, THAT Emotionless Dark Magical Girl Lutecia from StrikerS. And she is Large Ham now, to boot.
- Magical Girl Lyrical Nanoha INNOCENT: Alicia Testarossa is shown to be very enthusiastic and energetic about nearly everything, in sharp contrast to her calmer sister Fate.
- Magic Knight Rayearth: To a lesser degree, Hikaru Shidou. She's incredibly friendly, energetic, and upbeat. It's even more so in the anime, where she has some No Indoor Voice moments.
- Mahou Sensei Negima!: Several characters count; Makie is the most notable example. The entirety of Mahora Academy is described as such, even the boys, by the teachers themselves. It was stated that during a previous School Festival, they arranged an academy-wide game of tag, and afterwards decided not to do that again because there were too many injuries. That year, they were going for a (slightly) more sedate game of Hide-N-Seek, until the Big Bad of that arc provided an army of robots, and they decided to unleash the students on them instead.
- My Lovely Ghost Kana: The titular Cute Ghost Girl is a strange example. In the back story, she gruesomely took her own life, stabbing herself in the chest many times, and her ghost remained behind, trapped in the apartment building where she died. By the time the real story begins many years later, Kana has forgotten most details of her life, including why she decided to end it. When Unlucky Everydude Daikichi (unable to afford to live anywhere better) moves into the allegedly haunted building, he has a hard time accepting that this cheerful, energetic girl (overjoyed at finally having some company) is actually a ghost.
- Nana: Hachi is called a puppy by her roommate for her energy and desire to please.
- Ojamajo Doremi:
- Doremi is usually perky and full of energy.
- Momoko is initially introduced as a shy new student, but as the series went on she's flanderized into a hyper Funny Foreigner and becomes just as goofy as Doremi.
- Hana-chan is very hyperactive and spends most of her time being happy-go-lucky. She has been compared to other genki girls, including Pinkie Pie.
- Princess Tutu: Ahiru—who is a duck that can magically turn into a girl—spends most of the show running at top speed, squawking out words so fast it's hard to keep up. She's not even aware that her energy level is unusually high, judging by her confused reaction when another girl from her school fails to keep up with her. This may be because her friends Pique and Lilie are about as energetic as she is, or it may be because she's a duck and doesn't know any better.
- Ranma ˝: Shampoo. Out of all of Ranma's fiancées, she is the most active and energetic.
- Sailor Moon: Usagi Tsukino is an obvious example. Eternally cheerful and loud. Her monologue from the first anime's Stars season perfectly expresses it. Here's just the end:
"Oh, it's almost 7 o'clock on Saturday! Dinner time!"All right!!"With mom's food, and the TV on, my cheerfulness goes up a hundred times! The peace of school, and the peace of my family, and the peace of my sweetheart, and the peace of the universe, I will protect them all together!"Time to eat!"Yes! Energy level at two hundred percent! Cheer bursting at ten billion horsepower! Transform!"
- Minako is even more energetic. She's usually (apparently) calm, but whenever something sets her off.... She once outran a car while weakened by having donated blood, having run all day and with her Pure Heart Crystal extracted (the latter of which has instantly knocked out everyone else. Including Usagi).
- Sangatsu no Lion: Hinata Kawamoto is described as one in Rei's narration, in contrast to her behavior around Takahashi, pointing out her "lively" mood swings. Before the story focuses on her with her own story arc, she's portrayed as a downplayed example of the trope; Hina's easily one of the most excitable members of the cast, but given the general tone of the work, she's still grounded by reality most of the time.
- School Rumble: Tenma Tsukamoto, especially when she's a Shipper on Deck.
- Its also to cover up that she's a Stepford Smiler.
- Sora No Manimani: Mihoshi Akeno, who's full of energy and passion about two things: astronomy and Saku. She also has a tendency to hug him without warning.
- Soul Eater: Patty Thompson maintains a cheerful attitude in any situation. Also she laughs like crazy.
- Super Gals: Ran Kotobuki. She runs everywhere and shouts all the time.
- The World God Only Knows: Ayumi. The first time we see her, she sprinted into the main character, sped through the conversation, and ran off. Into a wall.
- Tokyo Mew Mew: Huang Bu-ling, whose sprinting and flailing is often accompanied by circus tricks like running on top of a ball or breathing fire. As Mew Pudding, most of her fight scenes consist of jumping around and climbing things.
- Tona-Gura!: Nina is so annoyingly genki, she nearly causes Emotionless Girl Marie Kagura to punish her, something she never does to anyone outside of her brother Yuuji. In his Chivalrous Pervert mode, Yuuji asks that he be punished in her place. If Marie were to choose this option with Tojo Haya, like as not, no one would stop her.
- Toradora!: Minori approaches everything with so much energy that she makes the surrounding people look lifeless.
- Tsubasa RESERVoir CHRoNiCLE: The first time we meet Sakura, she jumps on Syaoran and rapidly asks him a series of questions about how he's doing.
- Vandread: Dita fills this role, right down to frequently falling over while running.
- Wandering Son: Chizuru Sarashina is a wacky and eccentric girl who does what she wants to, even going against her school's clothing rules (she wore a bikini instead of the school swimsuit once, sometimes wears a tie instead of a ribbon, and wears the boy's uniform occasionally).
- Yes! Pretty Cure 5: Nozomi. With each "Kettei~!", you know she's going to drag the team into some goodhearted but implausible plan, and somehow, her pure energy makes it work. On the other hand, from the following seasons, we have Love Momozono, Erika Kurumi and Siren/Ellen Kurokawa (post-Heel–Face Turn).
- Yotsuba&!: Yotsuba is a Genki Girl with training wheels. To drive the point home, several moments of the story show her with sunflowers.
- Is the Order a Rabbit?:
- Cocoa, who often gets excited over the most seemingly trivial things, such as latte art and ordering three cups of coffee just to get an excuse to hug Tippy.
- Happy Happy Clover: Clover/Chima◊ is very optimistic and very hyperactive. It's shown mostly in earlier stories of the manga and in episodes of the anime. However, there are times◊ when she would get serious during certain situations◊.
- Umi Monogatari: Kanon's perky, lively mom, Miyako, who acts much younger than her age and is always full of energy.
- Tonari no Kashiwagi-san: Tina is a happy and energetic girl who jumps into any social situation and will do what she can to cheer people up.
- Robotics;Notes: Akiho is an extremely enthusiastic robotics prodigy who wants to build a fully-functional life-size mecha based on the one from her favorite anime. Her boundless ambition and enthusiasm contrasts jarringly with her best friend Kaito, a lazy video game enthusiast who would rather play games than build robots.
- Villain Mojo has a Deadpan Snarker assistant, Majordomo, who in turn has a Genki Girl assistant, Minordomo. Minor can be expected to say "Ohmygosh, OHmygolly..." at least twice per appearance, and will get worked up over something (complete with arm-waving and rapid-fire talking—her version of it goes from sentences to short phrases strung together in the end) more and more until finally having a heart attack. Luckily, she's an artificial human, so Majordomo just has to hit her reset button to get her up and genki again.
- Young Liars: Deconstructed; Sadie acts the way she does because a bullet in her brain destroyed her inhibitions and ability to realize consequences.
- A Pikachu in Love gives us Pichi, a rather hyperactive Pikachu who, if not for her much nicer disposition and lacking of reality warping powers, could be mistaken for the Pikachu equivalent of Haruhi. Gets BRUTALLY Deconstructed later on when her wacky and carefree antics nearly get Pikachu killed by an Ursaring and cause her to suffer a Heroic B.S.O.D. due to feeling like it's all her fault. She gets over it a little as the fic goes on, but is noticeably a lot less carefree and perky for the rest of the fic.
- The Child of Love: According Takuma -a character shows up in the sequel-, Rei was very cheerful, vivacious and nosy when she was a little child. He is actually shocked when he meets her again and notices she is now quiet and emotionless.
- Evangelion 303: Before the beginning of this story, Rei Ayanami was incredibly cheerful, energetic, and sunny the whole time, but an accident rendered her emotionless.
- HERZ: Kurumi is incredibly energetic and enthusiastic. She is constantly trying to glomp Shinji despite of him avoiding her the whole time.
- Some Semblance of Meaning has the District Twelve tributes' escort/makeshift mentor, Lavinia Gilden (also known as Tansy Leefinch), who is highly energetic and bubbly...although this lessens later on as Vale and Kit go into The Hunger Games and Lavinia has to watch them suffer in the arena.
- Faline from Bambi. A wild, giggly fawn that completely flips out from a simple, soft "Hello" from Bambi.
- Big Hero 6
- Cass Hamada is a rare adult type, but she is always excited and happy.
- Honey Lemon shifts into genki mode whenever she's doing anything chemistry-related.
- Despicable Me:
- Agnes is a cheerful Cloudcuckoolander. The first time Gru meets the girls, Agnes is the one only excited and she starts happily hugging his leg.
- Lucy Wilde in the sequel. Although initially introduced as a serious and stoic woman, she is generally very happy, enthusiastic, cheerful, and perky, shown when she exclaims, "Yay!" after telling Gru she is his new partner.
- Dory from Finding Nemo. Her perkiness and high energy buoy all her friends in rough times, or just annoy them.
- Princess Anna from Frozen is extremely hyperactive and impulsive to the point of being dangerously reckless, even at the age of five. Being all alone in a castle with nothing to do and no one to talk to for 13 years has only exacerbated this, to the point where her second "I Want" Song is damn near exhausting to watch.
- Boo from Monsters, Inc.. Justified, she is only about three years old.
- Tangled: Rapunzel is pretty lively. Her never having been outside before only makes her more excitable.
- The Little Mermaid has Ariel, who frustrates her father with how energetic and adventurous she is.
- Charlotte from The Princess and the Frog is a Genki Girl that seems to move entirely too fast for her brain to catch up.
- Jessie from Toy Story 2 and 3. What we see of her Show Within a Show character is pure genki; in her real-life personality, though she displays quite a bit of cynicism and remorse, she still manages to fit this trope.
- Young Ellie from Disney/Pixar's Up is definitely one of these. Her wonderful mania for living makes you feel for her all the more when she finds out that she can't have children.
- Vanellope von Schweetz from Wreck-It Ralph is certainly this. Considering that she's a game character from a candy-themed Racing Game, it would be downright bizarre to have her be anything but hyperactive.
- Joy from Inside Out is this, being the very embodiment of happiness and energy. Even the way she moves around is very flighty and energetic, full of prancing, twirling, and dancing.
- Toyo from Ikiru is one of these, with her exuberance breaking Watanabe out of his death-inspired angst.
- Jordan Cochran in Real Genius.
Jordan: I never sleep; I don't know why. I had a roommate and I drove her nuts—I mean really nuts—they had to take her away in an ambulance and everything. But she's okay now, but she had to transfer to an easier school. I don't know if that had anything to do with being my fault. But listen, if you ever need to talk or you need help studying, just let me know, 'cause I'm just a couple doors down from you guys and I never sleep, okay?
- Basanti from Sholay—one of her main character traits is that she doesn't stop talking.
- All About Steve has Mary who is constantly cheerful, talks at a mile a minute about every bit of trivia that goes through her head, and has a tendency to flail when she gets excited.
- Cover Girl: Based on some catty advice from a rival, Rusty acts overly bouncy and perky in her interview for the modeling job, nearly blowing her chances. The publisher's assistant later describes her as "a redheaded nervous breakdown" and adds, "That one isn't a girl, John—she's a leaping thyroid."
- X-Men: Days of Future Past: Because of his accelerated perception of time, Quicksilver seems to get bored easily. Xavier calls him a pain in the ass because he refuses to stay still, running circles around his guests and generally amusing himself at their expense.
- Tessa, played by the wonderful Joan Fontaine, runs everywhere barefoot and very excitedly in the The Constant Nymph.
- The eponymous character of Anne of Green Gables, who has a tendency to spout monologues lasting for more than a page. She stops this in the later books.
- Permanent Rose Casson from the Casson Family Series. She is described as recklessly boisterous (going so far as to cause a traffic jam just to meet a boy her brother knows—when she's only eight!) and, when told that her father is going to New York, she about bursts with energetic excitement.
- One of the first eccentricities Winterbourne notices about Daisy Miller is how she's just overflowing with energy and enthusiasm. "It was many years since he had heard a young girl talk so much."
- The eponymous character of the Ramona Quimby series is rambunctious and noisy and described as "the cheerleader type" by her older sister. Her excitable nature has been known to clash with her friend Howie's stoic demeanor.
- Rivers of London: Beverly Brook. Her enthusiasm frequently leaves protagonist DC Grant exhausted, especially when she is near a river (well, she is an Anthropomorphic Personification of the river by the same name).
- The Hunger Games: Effie Trinket is a grownup version.
- Twilight: Alice Cullen is happy in nature and very energetic.
- Of Fear and Faith: Elin is joyful, bubbly, and enthusiastic with No Sense of Personal Space, sometimes to her friends' chagrin, but usually not.
- Rainbow Magic: Addison the April Fool's Day Fairy is always bursting with excitement and has to be reminded several times that she can't be spotted by other humans.
- Rachael Ray from her eponymous talk show. She purposely avoids "sob stories" and almost always has a smile on her face. She also works 100-hour weeks and is a rather shrewd businesswoman, and her energy and determination are usually quoted as the source of her success.
- Giada De Laurentiis is a somewhat more sedate Genki Girl, also on Food Network. What probably helps is that, with that largish head and especially large eyes of hers, she even almost looks like a real-life anime girl. Or, to put it visually◊...
- Sandra Lee, once again from Food Network. She fits the "dosed up on caffeine" requirement .
- Ingrid Hoffman is relatively sedate on her English-language show, but watch her in Spanish... it's like Rachael Ray raided Giada's closet.
- Dharma and Greg: Dharma is the most energetic flower child you can imagine.
- Doctors: Cherry, particularly in her early appearances. When she first started work at the Mill, Michelle got her to put away all the medicine that had been left out, expecting to have to sort it out herself later. Not only did Cherry get it done in record time, while she was at it, she alphabetized all the cabinets to make things easier to find.
- Firefly: Kaylee.
Jayne: Captain, can you stop her from being cheerful, please?Mal: I don't believe there's a power in the 'verse can stop Kaylee from being cheerful. Sometimes you just want to duct tape her mouth and dump her in the hold for a month.Kaylee: [kisses Mal on the cheek] I love my captain.
- Full House: Middle child Stephanie is perky, talkative and the most excitable of the girls.
- Gilmore Girls: Lorelai is perhaps one of the most chipper characters on the show. Her daughter Rory is the more grounded one, although she has her genki moments as well.
- Girl Meets World: Riley Matthews is full of it. She always has a happy and bubbly attitude.
- Glee: Rachel Berry is the triple-threat Genki Girl. She always signs her name with a gold-star sticker, and wakes up every day at 6:00 for her daily exercise routine. She claims to have won her first dance competition at three months old.
- Hannah Montana:
- iCarly: Carly, with her loud and spastic nature and her Large Ham tendencies, can be considered this. Their Loony Fan Mandy as well.
- Series: "Law and Order: Special Victim's Unit": Eliot Stabler's daughter is found in one episode wearing just a shower curtain and playing on the swings in a children's playground (IT'S COMPLICATED, ALRIGHT?); when challenged, she replies, "It's wonderful, Daddy! I'm flying, I'm flying!"; it turns out that her one experiment with "Ecstasy" has brought on her latent Bi-polar Disorder, and she is in a Manic state.
- The Middle: Sue has enough energy and enthusiasm to rival a cartoon character, but for some reason she's always ignored by everyone and, as a running joke, nobody notices her or remembers her name. On the bright side, she at least appears to be cheerfully unaware of it.
- NCIS: Perky Goth Abby Scuito. If this show was a manga, she would be most likely to Say It with Hearts.
- Elliot Reid was for the most part of the first few seasons highly enthusiastic and quick-talking, tempered with bouts of self doubt (audience: AWWWW!). Her enthusiasm was more of a mask. She was very neurotic on the inside, due to bad childhood experience, overbearing parents, etc. She could be considered a Genki Girl later on, the way she pushes her boyfriends about (sometimes literally). This is a case of Characterization Marches On and Early Installment Weirdness. Elliot was initially portrayed as a competitive and smug know-it-all—her genki tendencies didn't show up until the second season.
- Played for Drama with Denise, a paramedic Dr. Cox is forced to work with. She's eternally cheerful and babbles on and on about everything. It turns out that her young son died in an accident years ago.
- Victorious: Cat Valentine. Even though she's a Mood-Swinger, she spends most of her time in happy mode.
- Warehouse 13: Claudia Donovan, a hyperactive, always-getting-into trouble tech wiz.
- Wild Romance: Kang Jong Hee is bipolar, so she goes through periods of excitability and depression. When she's happy, she's exceedingly happy and takes to biting people.
- Mickie James, though she fit the bill more when she was playing her psycho character. Her entrance theme was a Suspiciously Similar Song version of "Hey Mickie" and she would literally bounce all the way to the ring. She calmed the bouncing down after her Heel–Face Turn, but still fit the trope.
- AJ Lee when she was on NXT season 3. Overly perky and energetic and she once appropriately had to give a speech about caffeine. "Caffeine will perk you up, but I'm some natural dynamite, baby."
- Christy Hemme from the first Diva Search was like this, standing out as the only girl who actually had a lot of personality. Trish Stratus even told her with her winnings she could go buy herself some decaf. Christy responded, "It's all natural."
- Jessica James from the indie circuit and SHIMMER fame is like this as well. It rubbed off on her tag team partner Rachel Summerlynn when they formed Rachel and Jessica's Excellent Tag Team.
- The appropriately-named Amber Lively from Wrestlicious, the perky and fun-loving cheerleader. What's hilarious is that the woman who plays her (Madison Rayne) is known for playing the exact opposite in TNA.
- Canadian wrestler Jennifer Blake is in full-on genki mode whenever she works face. As a heel, not so much. It's still very appropriate that her nickname is "Girl Dynamite".
- As a heel, Layla wavered between this and The Fool. After her Heel–Face Turn, she was a proper Genki Girl. She would even enthusiastically kiss a child in the crowd during her entrance.
- Bayley eventually became this as a result of Characterisation Marches On. Her character began as a starstruck fangirl who was a bit shy. Eventually she morphed into an energetic character who wanted to hug everyone. Her change in entrance themes to a more up-tempo song reflects this.
- Becky Lynch whether heel or face is an aggressive headbanger who just seems to have unending sources of energy. A glance at interviews shows she's like this in real life too.
- Pathfinder: The Curse of the Crimson Throne AP gives us allied NPC Laori Vaus, the disturbingly enthusiastic cleric of a god of Pain and Loss. So genki, she creeps out other members of her church. The book she's introduced in includes the wonderful description of how she made her pilgrimage "Armed only with her indomitable optimism and an appetite for pain."
- Things Mr. Welch Is No Longer Allowed to Do in an RPG:
"48. The elf is restricted to decaf for the rest of the adventure."
- Backyard Sports: Gretchen Hasselhoff, who is both one of the fastest runners and the fastest talker in the series. It's only fitting that her nickname is "Jabberjaw".
- Baldur's Gate: Though she gets toned down a bit in the later games due to all the torture and all, Imoen is rather specifically described by one character like this:
Valygar: For someone who supposedly has her soul tainted by the evil of a dead god, you remind me considerably of a chipmunk with a sugar high and a death wish.
- In Carrie's Order Up!, the titular waitress is very energetic and cheerful, beginning and ending each round with a joyful quip. She's full of so much energy and enthusiasm, in fact, that she can't even stop until the round's over, making bumping into customers who are trying to get seated all to likely a possibility.
- Chrono Trigger: Marle. To the point that her character's victory sprite is an energetic jumping up and down.
- Cherry Tree High Comedy Club: Miley Verisse. Most of her peers think of her as a weirdo because she's passionate about stand-up comedy.
- DoDonPachi SaiDaiOuJou: Hina is lively and cheerful even after becoming Hibachi. As Inbachi, however, she drops those traits and becomes The Stoic.
- Duel Savior Destiny: Nanashi, the local zombie girl, tends to bounce around happily without having a very clear understanding of what's going on around her.
- Final Fantasy:
- Final Fantasy V: Krile Mayer Baldesion is the original example—her little sprite bounces all over the screen when she's happy.
- Final Fantasy VII: Yuffie Kisaragi, a mischievous take on the type. She is almost eternally energetic, cheerful, and upbeat.
- Crisis Core: Final Fantasy VII: Aerith Gainsborough in her younger incarnation, though she's remarkably sweet about it.
- Final Fantasy VIII features two in the main cast. Rinoa is the leading lady and also doubles as a bit of a Manic Pixie Dream Girl for Squall. Uniquely she's called out on her attitude being immature and inappropriate for a military environment. Selphie meanwhile has managed to merge her Genki energy with competence in the military - resulting in her being Cute and Psycho.
- In Final Fantasy IX, we get Eiko, who is also the game's resident Bratty Half-Pint. She has a great deal of energy and is usually excited about something.
- Final Fantasy X: Rikku. The sad overtone kept her genki-ness down a bit, although she's still eccentric and cheerful. In Final Fantasy X-2, she becomes Genki Girl incarnate.
- Final Fantasy XII: Although perhaps not to the degree of her "sisters", Penelo fills in this spot alongside Vaan in an otherwise very no-nonsense group.
- The Fire Emblem series has a lot:
- Path of Radiance and Radiant Dawn: Mia, who is obsessed with finding her rival (a swordsperson in white) and dueling people at dawn.
- Genealogy of the Holy War: Tiltyu is a tragic example of how a Genki Girl can eventually break down and cannot be genki anymore for the rest of her life. Sylvia also counts, and for the second half Fee and Patty (and her replacement Daisy) more than fit the bill.
- The Sacred Stones: Princess Tana is the archetypical "cheerful, willful, plucky" example, but Princess L'Arachel is the trope taken to new extremes since she manages to mix the trope with Cloud Cuckoo Lander, Large Ham and Lord Error-Prone, which results in an incredibly... unique character as a whole.
- Fire Emblem Awakening: Lissa, Nowi, and Cynthia. Cynthia is an even bigger example than the other two, since she manages to combine this trope with Large Ham and Cloud Cuckoolander (similarly to L'Arachel).
- Nowi is also a more realistic take on the trope. She's a manakete and painfully aware of she will outlive almost every single loved one he has, so her genkiness is both very genuine and a coping mechanism. After all, why spend her super-long life crying when she can spend it laughing most of the time?
- Fire Emblem Fates: Elise is a super cheerful White Mage abd pretty much the "ray of sunshine" among the somber, broken princes and princesses of Nohr. She stays as cheery in the Conquest path and Revelations, but falls into depression in the Birthright route and ends up as Too Good for This Sinful Earth in the second.
- Grim Fandango: Year 2 features minor character Lupe, a coat-check girl at the Calavera Café, who tends to get overly enthusiastic about her job. This is pointed out in a conversation between Manny and police officer Carla when the latter cites Lupe's presence as the reason she stopped visiting the café:
Carla: All that bubbly energy, I just want to strangle her!Manny: I've tried that. It doesn't stop her.
- The King of Fighters series:
- Kula Diamond in all her hyper-cheery, candy-loving, Face Doodling glory. She's especially notable given her status as an Opposite-Sex Clone of the much more serious Kyo Kusanagi, and given that the same experiment that created her led to K.
- Yuri Sakazaki has always been portrayed as cheerful and optimistic, but it gets dialed up in the Ko F series — to the point of bodering on outright childish behavior, at times. She's even gotten snarky, albeit in playful fashion with her friends.
- KOF Maximum Impact: Mignon Beart. May be THE most triumphant example in this game.
- Also, Athena Asamiya, Mai Shiranui, and Metal Slug crossover Fiolina Germi.
- King's Quest: Princess Rosella of Daventry is just as fond of adventuring as her dad, impulsive, fun-loving, and extroverted.
- Knights of the Old Republic: Mission Vao, a Satisfied Street Rat and Wide-Eyed Idealist, she cheerfully loved to explore rakghoul infested sewers that even Mandalorian mercenary Canderous didn't like venturing into. She's low on hit points, but her pickpocketing, hacking, and minesweeping skills, along with her snarky retorts, can get the party into (or out of) a lot of trouble.
- Star Wars: The Old Republic: The Consular ends up with two. Holiday is a sentient hologram who is always excited when presented with new technology, a puzzle, or an intellectual challenge, which is part of the reason she and Tharan make such a good team. The other is the Consular's eventual Padawan, Nadia Grell. A Spoiled Sweet Senator's daughter, Nadia's force abilities tend to make things explode if she gets too excitable. Her species also is new to the galactic scene, and so she is incredibly happy if you take her with you to new planets or give her a chance to test her Force abilities, with a Catchphrase of "Yes! More exploring!"
- Mega Man ZX Advent: Hedgeshock the Erinaceroid. She talks fast, walks around hyperactively, and her Idle Animation gives you the impression that she just can't stand still.
- Neverwinter Nights 2: Neeshka has elements of this. Note her kleptomania, habit of speaking very rapidly, and general variance between overwhelmingly excited or deeply anxious.
- Persona 3 Portable: The right dialog choices can turn the female protagonist into one of these, much to the chagrin of the rest of the cast.
- : Rise Kujikawa, the team's hot-blooded support member, has a ton of energy, moreso than any other female member.
- From the SSX series:
- Kaori Nishidake. In a series about death-defying snowboarders, Kaori's excitable nature is explicitly childlike and she just has so much fun out on the snow.
- Saints Row: The Third's Genkibowl DLC 'Genki Girls' couldn't personify this trope any more than they already do. Angry Tiger, Sad Panda, and Sexy Kitten are high-energy fast talking costume wearing minions of the aptly-named Professor Genki.
- Sonic the Hedgehog:
- Many Suikoden characters are this; sometimes there are many in the same game. For example:
- Suikoden V: Miakis, initially. Then she gets saddled with an overload of angst, but eventually reverts to form over the course of the rest of the game.
- Suikoden II: Nanami. Her introduction sequence consists entirely of her shaking her brother around out of giddiness for about 2 minutes, culminating when she accidentally sends him hurtling into a cliff wall, leaving a hero-sized imprint in solid rock.
- Super Mario Bros.:
- Princess Daisy. She definitely has a lot of energy to spare, especially once Deanna Mustard started voicing her.
- Aschen from the Super Robot Wars spinoff Endless Frontier becomes this whenever she lets out her full power. Makes for an...interesting contrast with her usual self. She even goes so far as cheerily shouting out things like "ASCHEN PUNCH!" and "ASCHEN KICK!" Considering that, appearance-wise, she looks more like something out of a robotic Amazon Brigade than a Genki Girl, it makes for an amusing contrast.
- Tales of Legendia: Norma Beatty. She goes as far as giving her party members strange nicknames like "Senny" and "Teach".
- The Legend of Zelda: Skyward Sword: Apparently, Zelda isn't above dragging her childhood friend around to things she wants to do, doing all the talking whenever she's around (even if Link never talks), and pushing/jumping at him from potentially-lethal flights to make him use the sailcloth/catch her on his Loftwing.
- Sakura Wars: The always high-spirited Erica Fontaine. For example, her Good Morning Dance.
- Custom Robo Arena: Polly. At one point in the game, her battle cry is actually "I'm all hopped up on coffee! So I won't lose!". At another point, she sends you to fetch her "The Legendary Coffee" to allow the player to fight her. After the player wins, she asks, "Hmm...maybe all this coffee is stunting my growth?"
- Mortal Kombat has Mileena- yes, you heard that right: Mileena.
- Power Stone: Ayame is this, in fitting with her origins as a 16-year old kunoichi masquerading as a Street Performer. It's especially evident in her constantly-sunny outlook on life and in her win poses- where among other things, she'll giggle, happily jump up and down and give a playful "V-for-Victory" gesture.
- Hilde Wangel in The Master Builder by Henrik Ibsen is probably one of the oldest examples. She is irresponsible, playful, and clearly after amusement. And when she gets Solness to climb the highest tower, like she has urged him to, she can't keep herself from jumping and waving her hat—and making him lose his balance and fall to the ground in the process. Her reaction is more bewildered than guilt-ridden.
- Ace Attorney:
- Maya Fey in the Phoenix Wright arc, being a fangirl of the Steel Samurai and her tendency towards high-energy curiosity.
- Trucy Wright in Apollo Justice: Ace Attorney, due to her perky stage personality as a magician.
- Kay Faraday in Ace Attorney Investigations, as the excitable Highly Visible Ninja Gentleman Thief. Her contrast with Miles Edgeworth brings it out more than the other assistant characters.
- Ema Skye was this in her first appearance in the first game, being very enthusiastic about everything (though especially scientific things). She's less so in her reappearance in Apollo Justice.
- Athena Cykes in Phoenix Wright: Ace Attorney – Dual Destinies. Athletic and go-getting about nearly everything, she has a near-continuous need to be active (like she runs laps around the courthouse while waiting for a trial to start). It could be said she acts this way to suppress the dark thoughts she's been carrying around since childhood.
- Hagino apparently has this role assigned to her in Canvas 2 and is required to be cheerful or Hiroki will get upset.
- Little Busters!: Haruka, oh, so much. Constantly running around causing mischief? Penchant for broadcasting her emotions at the top of her lungs? Acts like she's incapable of being serious for ten seconds at a time? Check, check, and check. She has Hidden Depths, though—she's well aware that she's very noisy and feels awkward around people like Rin who can't deal with that, and can be quite savvy when she puts her mind to things. The whole thing is covering up a very screwed up, insecure individual who has very, very good reasons for priding herself on causing commotions.
- Robin DeSanto from It's Walky! and Shortpacked! is so genki it qualifies as a superpower. She moves like a bolt of lightning, smells like Skittles, and has less impulse control than your average three-year-old. She once ate a bowl of Cadbury cream eggs; next thing she knew, she'd been elected to Congress.
- A Magical Roommate: Daria is a genki dragon who was introduced to tools and became obsessed. Then she was introduced to modern technology...
Aylia: Clearly, you've never witnessed [the] homework exploding machine.
- Ansem Retort: Larxene. She's a homicidal version of this, once nuking Disney World because she couldn't get free Funnel Cake.
- Circumstances of the Revenant Braves: Fio is a girl of action and gets restless when sitting around for too long. She even hopes for trouble if it will alleviate her boredom.
- El Goonish Shive:
- Grace fits this trope sometimes, though she also enjoys sleeping a lot. Sometimes, she combines the two, resulting in the invention of her legendary "Sleepy Little Ninja Stealth Hug"...
- Catalina Bobcat, who can't even ask someone to keep something quiet quietly. "SHHHHH!!!"
- Heidi, Elliot's "party animal socialite" alter-ego.
- Girl Genius:
- Homestuck: Jade Harley. Even her typing quirk is genki—omitting periods and overusing exclamation points and emoticons. Feferi, also tends to get overexcited about everything.
- Impure Blood: Mac comes running to burble over the car and goes squee over the Abomination.
- Lackadaisy: Ivy is actually based off a hyperactive cat that the author knew.
- M9 Girls!: Clau is always hyperactive and overly optimistic.
- MegaTokyo: Asako is a Genki Girl of Mass Destruction, and her friend Mami knows the arming codes. As Mami says, "Hey, I always reserve the right to use the 'Asako option'. You should know that by now."
- Misfile: Missi definitely qualifies. While not exactly hyper, she's drastically more energetic and upbeat than the rest of the cast. So far, nothing, not even being dumped, has been able to make her sad for more than a single panel.
- Monsterful: Sapphire. The energetic zombie teenager is way faster and louder than a zombie should be.
- Murphy's Law: Serrin. As an example, she energetically hugs an armed stranger.
- Ozy and Millie: The hyperactive, lovably eccentric Millie Mudd is a Genki Girl-in-training.
- Penny and Aggie: Lisa and, to a lesser extent, Katy-Ann.
"Dear Mr. President: I have solved the world's energy needs. All you need to do is put two girls I know on a treadmill."
- Sluggy Freelance: Kiki. The one time they fed her Pixy Stix, she made a ferret-shaped hole in the wall and circled the Earth three times before the others had even reacted.
- Super Temps: Skull Girl. She has been barred from coffee and sugar twice, her outbursts can create walls of text, and her energy can demolish a multi-story corporate complex in minutes.
- The Inexplicable Adventures of Bob!: The always-enthusiastic Molly the Peanut Butter Monster. It probably helps that she has a super-fast metabolism and can outrun a bear.
- Paranatural: Suzy is a journalist version of this. Every time she appears, often or always around her "willing" assistant Collin, she's doing something over-the-top and insane. This mostly involves trying to get the main character Max to join the Journalism Club at the school. Or blackmail. And in the spinoff section, Supernormal, she has a single appearance that further cements the evidence she's slightly off...and a fan of circular journalism. See it here◊.
- Alma of Godslave has all the syndromes, including breaking into squeeing over Anpu and constantly pestering Edith to go and do something!
- RWBY: Nora is an energetic non-stop talker who doesn't appear to have an off switch even at the crack of dawn. She's even accompanied by her own unique zany music score for when she really gets going. Contrast with her partner Ren, who needs to be kicked out of bed in the morning and who barely talks. Not even brushing her teeth or eating breakfast slows her down. The quietest and most still she gets is when the Headmaster is explaining their first task, but she interrupts him once and can be seen in the background bouncing energetically on her heels as she waits for the task to begin. Ren seems to tolerate her energy and Motor Mouth with good humor and affection.
- Ruby and Yang would also qualify, though in both their cases, it's more subtly played than with Nora, and in Yang's case, combined with Boisterous Bruiser.
- American Dad!: Francine. With her high-energy, she can be somewhat crazy.
- Batman: The Animated Series: Harley Quinn.
- Even in The Batman. Though she is less humorous and more dangerously psychotic like in the comics.
- Dexter's Laboratory: Dee Dee, the hyperactive sister of Dexter.
- Fanboy and Chum Chum: Yo is so genki, she can appear in two places at once.
- Goof Troop: Pistol is constantly hyper. As her neighbor Max once put it, "watching Pistol is like nailing Jell-O to a tree". Playing with her is considered a nuisance at best and outright torture at worst, and, if they can, people try to avoid the task or pass it on to others, usually stopping at Extreme Doormat PJ unless he manages to hide. It's fairly surprising, considering that her father is very lazy and her mother and brother take turns being the Only Sane Man.
- Gravity Falls: Mabel Pines is loud, playful, and enthusiastic about just about everything ("Yay, grass!").
- My Little Pony: Friendship Is Magic:
- Pinkie Pie is this merged with Cloudcuckoolander. Her energy breaks the fourth wall by pure accident! "Party of One" explores (and later deconstructs) this; there is a limit to her energy, but it is significantly higher than everyone else's. Then you watch her get angry and find out her energy can be used for more than just bouncing happily.... "Too Many Pinkies" has Pinkie inadvertently creating an unruly horde of flanderized clones of herself. Her friends, used to Pinkie embodying this trope, can't tell the difference between the mindless clones who constantly spout "FUN!" and the real Pinkie. This causes Pinkie to have an existential crisis and seriously consider the possibility that she's just a clone who thinks she's real.
- The Cutie Mark Crusaders. Individually, they're energetic. Together, they egg each other on and build off each other to astonishing lengths.
- Rainbow Dash, surprisingly, counts as well, especially in later episodes with her excitement over the new Daring Do book and the Equestria Games. In the latter, she flat-out channels Pinkie Pie for the whole episode.
- From the original My Little Pony, we have Surprise, whom FIM Pinkie is heavily based off of. She enjoys pranking people, is very active, and is very loud.
- My Little Pony G3: Pinkie Pie isn't quite as madcap as her FIM version, but she loves parties and is obsessed with the color pink.
- Phineas and Ferb: Candace Flynn. Her energy levels can rival her brothers, for starters.
- Star vs. the Forces of Evil: Star Butterfly, who takes this as far as the meter goes and more. She is a hyper active teenage girl whose hobbies include fighting monsters, going on dangerous adventures, and using her wand's powers to create anything she wants, such as adorable animals or indoor water slides.
- Teen Titans: Starfire. All that emotional energy is the source of her super powers. 'Joy' for Flight, 'confidence' for super strength, and general perkiness.
- The Looney Tunes Show: Lola Bunny. She's an energetic Cloudcuckoolander with a Motor Mouth.
- The Mighty B!: Bessie Higgenbottom is an ambitious and optimistic 9-year-old Honeybee Scout who believes that she will become a superhero called "The Mighty B" if she collects every Honeybee badge.
- Total Drama Island: Izzy. So genki, that she's even enthusiastic about getting poison ivy wrapped around her face as part of a challenge.
- Transformers Prime: Miko, who transferred to an American school to escape a life of piano lessons and ends up in the middle of a war between alien robots, to her absolute delight. Also played by above mentioned Tania Gunadi, who is good at these.
- W.I.T.C.H.: Hay Lin loves life, designing clothes, painting, and sending armies of mooks flying with a wave of her arm.
- Lindsey Stirling is a very extroverted and energetic musician whose vlog is devoted, in significant part, to her antics involving pranks she plays on those around her, and special occasions like "half Christmas".
- Miley Cyrus. Her little sister Noah is also extremely bubbly, energetic and confident, but she's just 16, so who knows how she'll turn out.
- Hayley Williams of Paramore, so, so much, if the way she answers interviews, tweets, and acts on stage is anything to go by. Not many people would tweet about how much underwear they're going to buy or make jokes about their own chest during an interview.
- Felicia Day. Her promotional video for Dragon Age: Redemption is marked by energetic smiling, bobbing, and annotating.
- Amanda Tapping, who never seems to slow down and is always bright, bubbly, enthusiastic, and an all-around goofball.
- WWE's ring announcer Lilian Garcia, as a glance at her web show with Torrie Wilson and Candice Michelle will demonstrate. It rubbed off on actress Maria Menounos when she guest starred. Unless she was waving beer cans and asking the others to feel how warm her chest was just to impress "Stone Cold" Steve Austin...
- Delta Goodrem can barely sit still during her interviews and appears to be endlessly bright and cheery.
- Kimi Ward Encarnacion, lead singer of Nineties alternative band Moonpools & Caterpillars. Her signature live performance move was hopping up and down on stage. Even a 15-year hiatus couldn't slow her enthusiasm.
- Cassey Ho of Blogilates.
Anime and Manga
- Area no Kishi: Kakeru, The Protagonist, is a student who channels his love of football into working tirelessly, first as manager for his high school football team, and, later in the series, to overcome obstacles and become a player himself.
- Bleach: Asano Keigo is constantly active and cheerful (or entirely down in the dumps), to the point that he gets on Ichigo's nerves. Though he does have some introspective moments, they are few and far between.
- Future GPX Cyber Formula: Jackie Gudelhian, Johji Ohtomo and Bleed Kaga are adult versions of the trope. The latter, however, drops off his genki-ness in the ZERO arc when he began to become serious.
- Monster Rancher: Genki. His Catch Phrase is "My name means energy and I've got lots and lots of it!"
- The ever-enthusiastic Naruto attacks everything with great energy—believe it!
- One Piece: Luffy is always energetic and getting into trouble and his nakama are always dragged along with his enthusiasm.
- X-Men: Days of Future Past: Because of his accelerated perception of time, Quicksilver seems to get bored easily. Xavier calls him a pain in the ass because he refuses to stay still, running circles around his guests and generally amusing himself at their expense.
- The ColSec Trilogy: Jeko is a small, wiry, hyperactive young man who's always trying to rile up the resident tsundere. (On an off note, although it's not anime, it's mentioned at one point that he's Japanese-American.) Enough said.
- Harry Potter and the Goblet of Fire: Ludo Bagman is energetic and enthusiastic; he is also described as resembling and acting like an overgrown schoolboy.
- Journey to Chaos: Aio acts like he's on a perpetual sugar high. Pudding is his favorite food.
- The Quest of the Unaligned: Nahruahn, due to the mental effects of his wind magic. His Establishing Character Moment comes when, upon being introduced to the hero, he gives an eleven-line monologue in a single sentence without stopping to breathe.
Live Action TV
- Band of Brothers:
- George Luz is the most prominent in the cast. He's easily the biggest wisecracker of the group, is eternally cheerful and frequently rattles off impressions of everyone else. Such was the strength of his character that in real life, 1600 people attended his funeral in 1998.
- Frank Perconte who is Luz's best friend. Not quite to the same degree but he's a definite cheerful fellow who makes plenty of wisecracks. He unfortunately is more affected by the war that when he snaps at another soldier, he's shown to instantly regret it.
- Joe Liebgott reveals that he's this when he engages Webster in an excited discussion about books. He's also a bit of a Blood Knight with hatred for the Germans, making this a rather unfortunate combination for the enemy.
- Private O'Keefe doesn't get as much screen time as the others but he shows signs of this. It irritates his wartorn comrades, who don't appreciate his New Meat naivety regarding war.
- Once Upon a Time: Henry is this mostly in the first season. He's eternally optimistic and manages to quickly win over his Ice Queen of a mother with his Genki ways. He mellows out during Season 2 though.
- Chip of Power Rangers Mystic Force with his Adorkable love of fairy tales and comic books, and his sheer enthusiasm for learning new spells.
- J-Pop band LadyBaby - especially their lead singer, professional wrestler/drag queen/heavy metal singer LadyBeard, who's catch phrase is "Stay Genki!"
- The Pajanimals: Squacky tends to speak very quickly and loudly; he's possessed of very high energy and often has trouble getting to sleep at night.
- Final Fantasy:
- Final Fantasy V: Bartz is the first protagonist to start a trend of cheerful heroes throughout the series.
- Final Fantasy VIII: Zell, whose character introduction is literally him back-flipping into the room. He apparently used to zoom down the hallways on a hovering skateboard and has been known to throw really aggressive tantrums when the cafeteria is out of hot dogs. Adding to the effect, he also talks like he's Pretty Fly for a White Guy.
- Final Fantasy IX: Zidane overlaps with The Casanova. His genki side really comes out whenever he's trying to woo the princess. It's no surprise that Eiko (mentioned above) develops a crush on him.
- Final Fantasy X: Tidus certainly fits. Our first proper impression of him is him enthusiastically signing autographs for his fans and he manages to shock all the people of Spira with his attitude. Lulu remarks that he "really do[es] come from a world where there is no Sin" after having experienced a few weeks with him. Surprise surprise, he and Rikku (mentioned above) are Like Brother and Sister.
- Final Fantasy X-2 has Gippal; whose theme is an energetic guitar riff, he's endlessly bright and cheery and doesn't seem to have a sense of personal boundaries. He has Ship Tease with - you guessed it - Rikku. His English voice actor Rick Gomez is one in real life too.
- El Goonish Shive: Normally, Elliot doesn't qualify for this trope, but he can shapeshift into various female forms, a few of which have their own personalities. There's one called the "Party Girl Form", which is Elliot on a shapeshifting Gender Bender with a Motor Mouth and feeling like he just downed a hundred shots of espresso. This form has been dubbed "Heidi" after another character got caught trying to warn party-Elliot to "hide"note and covering it up by pretending it was the party girl's name. The name works on another level, as well: "Heidi" is very similar to "Hyde", which works since this form and personality is so radically different from Elliot's own.
- Monster of the Week: Mulder turns into Genki Guy, always full of energy and ready to rush into any situation in his hurry to prove monsters, not to mention his fanboy reaction to some creeps. It's visible from the very first panel, although he gets calmer as the series progresses.
- Sakana: Taisei, who is extremely cheerful, lighthearted, and energetic.
- The Order of the Stick: Elan is happy-go-lucky and energetic.
- Three Jaguars: Marketer, with her boundless energy.
- Stand Still, Stay Silent: Reynir is almost always happy, with cheerful, nigh-Pollyanna attitude. He always wants to be some help and is really excited when he helps someone in a dream.
- OMFGCata: Jesse Cox is generally quite cheerful and energetic, much to the dismay of his Deadpan Snarker comrade TotalBiscuit.
- This is raocow's default setting whenever in-character for his Let's Plays. Nearly all of his videos have him happily and constantly rattling off Breathless Non Sequiturs, silly noises, random lyrics to the in-game music, or cheerful laughter at the slightest provocation. It's easy to tell when a level is beginning to grind at him, because his genki side starts to die down.
- Avatar: The Last Airbender: Aang—when not having to save the world—is cheerfully energetic and quite confident. He provides a contrast to the other guys in his group, snarky Sokka and brooding Zuko.
- Code Lyoko: Odd Della Robbia has plenty of energy and confidence, and his Lyoko Warrior form is cat-based.
- YouTuber PewDiePie, known for rather MORE-than-maniacal energy.
- ARK YouTuber Sl1pg8r, whose stated mission is to brighten his viewers' days.
- Marty Lublin, the traveling host at Wheel of Fortune auditions. He is fond of jumping around the stage and yelling. The show wants enthusiastic contestants, so why not get a very energetic guy to determine if they're good enough for the show?