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Nathan "Nate" Adams (Keita Amano)
Voiced by: Haruka Tomatsu (Japanese), Johnny Yong Bosch (English), Alejandro Graue (Latin American Spanish), Patrizia Mottola (Italian)The male protagonist of the games, and the focus character of the anime. Nate is an average boy who, while hunting for insects, frees Whisper, gaining the Yo-Kai Watch and the ghost's loyalty as a gift. Generally seen as unimportant or generic by other characters, which he hates with a passion.
- All Love Is Unrequited:
- In the anime, Nate's love is Katie, who he tries to gain the attention of time and time again over the course of the series. Its not that she doesn't like him back, but either through possessions or circumstance, Nate's chances are ruined and he Cannot Spit It Out for some reason.
- In the manga, it is a little different; for example, he goes on a date with a female Yo-Kai in a mini-comic, and is shown chatting up an illusion of Katie at one point.
- And Then John Was a Zombie: He becomes the Yo-Kai Fuu 2 for a while in the second movie.
- Baleful Polymorph: In "Dog Days", he gets turned into a dog by a mysterious package.
- Be Careful What You Wish For: In "Dog Days" he thinks that dogs have an easier life than humans and wishes he was a dog. His wish gets granted after opening a mysterious package intended to teach him a lesson.
- Berserk Button: Just the word "average" pisses him off if he is in the context.
- Beware the Nice Ones: It takes quite a bit for him to get revved enough, but he can whup others good when properly motivated.
- Bullet Time: He keeps doing this Neo style during the Thronyan episode, to dodge Thornyan's projectile spikes.
- Butt-Monkey: Less so than his manga counterpart (who gets pounded on multiple times), but usually if some Yo-Kai is causing trouble, he'll likely end up possessed and/or humiliated by it.
- Canon Name: Nate in English, Keita in Japanese
- Catch-Phrase: When summoning Yo-Kai, "Come on out my friend! Calling [Insert Yo-Kai name]! Yo-Kai Medal do your thing!"
- Cheaters Never Prosper: In Episode 22, he wishes to stay at home so he can have more time to play a video game. He recruits Duchoo and Coughkoff to make his mom think he's sick. It ends up working, only for Nate to realize he has actually become sick, and as a result his mom deems him too sick to play games and takes his console away.
- Cosmic Plaything: Sometimes.
- Costume Evolution: He started out with a red shirt with a star on it. Later on he switched to a red jacket with an orange version of his original shirt underneath.
- Dead Guy Junior: It's mentioned that he was named after his grandfather Nathaniel.
- Deadpan Snarker: Can get very sarcastic in response to the antics of Whisper and Jibanyan, as well as other Yo-kai at times.
- Death by Falling Over: In the second movie he falls down an open manhole and dies. He's Only Mostly Dead, however and after spending time as a yokai is resurrected by the Time Master abilities of the one who orchestrated his death in the first place.
- Drop the Hammer: He is given a dopey-looking Rubber Mallet in The Movie by Whisper to combat Wicked Yokai.
- Green-Eyed Monster: His worse excuse when it comes to dealing with Yo-kai shenanigans, such as Illoonote , Duchoo and Coughkoffnote and Ake & Paynnote .
- Henpecked Husband: Dreams of being this to a Copperled-possessed Katie in episode 60 of the anime.
- The Hero: Seems to be this for the franchise as a whole. He's playable in all the games in the series, is the sole human protagonist in the anime and most of the advertising for the franchise use footage of him defeating or befriending Yo-Kai.
- The Hero Dies: In the first segment of the second movie. He gets better.
- I Just Want to Be Special: To other characters, he's just so-so, which causes him infinite grief and a desire to impress. Ironically the Yo-Kai Watch grants him a special distinction that sadly, no one but him can see for themselves. Even that gets technically taken away when the subsequent versions of the watch are mass-produced in the anime.
- Jerkass Ball: As he is a kid, Nate can have his narcissistic and/or insensitive moments.
- When Jumbelina switches everyone's faces, Nate's face runs away since he went 3 days without washing it. When he ends up with Dandoodle's face, he decides to keep it since it gives him attention from girls.
- In the Christmas episode, he chooses a pair of cleats instead of saving Whisper or Jibanyan and gets called out for it.
- Kid-anova: In the manga he's gone on a date with a Yo-Kai in a mini-comic, is crushed on a little by a Frostina, chats up a (fake) Katie, and eagerly jumps at the chance to get Katie to like him when a Yo-Kai that makes people fall in love appears. In the anime it's less pronounced, but he still tries to get Katie's attention, only for various Yo-Kai to muck up his efforts
- Kid Hero: He's in his fifth year of elementary school (11 years old).
- Magnetic Hero: Even though his ludicrously average qualities are pointed out by everyone, they usually note an exceptional talent for befriending yokai.
- Nice Guy: He genuinely tries to help and befriend many of the Yo-kai he comes across.
- Only Sane Man: Frequently finds himself in this role when forced to put up with the antics of Whisper and Jibanyan.
- Out of Focus: If not chosen as the protagonist in the first two games, Nate becomes this, taking Katie's role as the third friend among their quartet (which means his appearances become limited to side-quests and certain story segments).
- Paper Fan of Doom: His Weapon of Choice, which he uses to discipline Whisper and Jibanyan when they step out of line.
- Ridiculously Average Guy: A running gag in the anime, which carried over to the sequel games.
- Informed Flaw: While he is pretty average, he isn't nearly as cut and dry as others always say; he has interests, and he has his limits.
- In Yo-Kai Watch Busters: Moon Rabbit Team and the 2nd movie Enma Daioh and the Five Stories, Nate is turned into the Yo-Kai Fuu 2 by dying. Fuu 2 sounds just like futsuu, the Japanese word for "ordinary". His inspirit ability is a Status Debuff on enemies as it brings them down to average.
- Spear Counterpart: To Katie in the games.
- Strong Family Resemblance: His grandmother tells him that he looks just like his grandfather Nathaniel. He was also named after him.
- Super Wrist-Gadget: His Yo-Kai Watch.
- Took a Level in Jerkass: It's subtle, but over the course of the series Nate has less tendency to try reason with misbehaving Yo-Kai to earn their friendship, and leans more towards beating them up or defeating them to acquire their medals. Ironically, this is pretty much what happens in the games all the time.
- Torso with a View: His Yo-Kai form, Fuu 2, has a star shaped hole in his torso. His Soultimate involves firing a laser from it.
- Weapon of Choice: His most frequent choice of first Yo-Kai to summon is Jibanyan.
- Wholesome Crossdresser: In an issue of "Nyanderful Days", he gets inspirited by Dazzabel and starts wearing ball gowns and make-up at school. When he's freed, he's lost a few friends and has no idea what happened.
Katie Forester (Fumika Kodama)
Voiced by: Aya Endo (Japanese), Melissa Hutchison (English), Agostina Longo (Latin American Spanish), Deborah Morese (Italian)The female protagonist of the first two games. She is Nate's crush in the anime, who while nice, can never seem to figure that angle out. She's also the main character of Yo-kai Watch: Wakuwaku Nyanderful Days, a Shojo Manga centered around her getting the watch instead of Nate similar to the games.
- Action Girl: As the female protagonist.
- Always Someone Better: Zigagged in episode 67, a dream where she's the watch wielder, as all her Yokai are far stronger than Nate's, but have glaring personality quirks that make them unreliable. Baddinyan is as lazy as Jibanyan and more uncaring, Goldenyan considers every task beneath him, and Shadow Venoct just violently hisses at whisper.
- And Then John Was a Zombie: She becomes the Yo-Kai Mifuu in Yo-Kai Watch 3: Sukiyaki.
- Canon Name: Katie in English, Fumika (though she's usually called "Fumi-chan") in Japanese. Interestingly, her English name is an anagram of "Keita", Nate's Japanese name.
- Catch-Phrase: Same as Nate's when summoning Yo-Kai: "Come on out my friend! Calling [Insert Yo-Kai name]! Yo-Kai Medal do your thing!"
- Cutting Off the Branches: Yo-Kai Watch 3 outright doesn't include her as the protagonist, instead Hailey is the female playable character. The third game canonized Nate over her. As frustrating as some people find it, it probably has to do with establishing who truly invented the Yo-Kai Watch, as it can't be both Nathaniel and Kenny unless they opted for an Alternate Universe depending on the protagonist.
- A Day in the Limelight: Episode 67 of the anime had a "What-If" scenario where she was the one who found Whisper and possessed the Yo-Kai Watch, effectively portraying the female choice in the games. She is shown to be much more competent than Nate, having acquired more powerful forms of his Yo-Kai like Baddinyan and Goldenyan. She's also much nicer to Whisper, being genuinely concerned for his wellbeing and tries to help him improve by memorizing the Yo-Kai wiki info. This is all rather in keeping with her actual game personality and position as the Straight Man, though it's generally not as extreme there.
- Costume Evolution: Originally wore a white jacket but switched to a pink jacket later in the anime. Yo-Kai Watch 3 also depicts her in a pink jacket.
- Distaff Counterpart: She actually gets her own story and a bunch of different dialog if used as the player character, including living in a different house, which is much more than most games that let you choose your gender.
- Dude Magnet: Kind of. In the show, Nate's head over heels for her of course, as is Kyubi. In the games, Nate shows a tiny bit of interest, while Eddie of all people gets the much more blatant affection hinting. And then there's the Door of Whimsy where, if Nate's the protagonist, you enter an illusion of every one of his male classmates going ga-ga for her, to her chagrin.
- Generic Girl: In the show, she usually doesn't get much characterization outside of being a Nice Girl, occasionally the show shows her own problems, but anything else about her is usually a Yo-Kai's fault, or her just being Innocently Insensitive. In the games, she gets a lot more characterization if chosen to be the player character, being much more straight-laced and willing to deal with problems head-on.
- Girly Run: Her run/sprint cycle in the game, arms outward and everything.
- Innocently Insensitive: In episode 1, she states that an average-sized beetle clearly suits Nate, who utterly despises that description, and is shocked that she'd say it (She also calls Nate average and boring in her version of the manga and means it, saying girls want excitement. When Whisper mentions Yo-Kai mostly inspirit the simple-minded, Katie deliberately looks at Nate). Any other time she's insensitive, it's usually because a Yo-Kai is influencing her in some way.
- Kid Hero: In the games and Nyanderful Days.
- Magical Accessory: In the games and Nyanderful Days, she actually wears the titular watch as a pendant instead of on her wrist. When Kenny gives her the Yo-Kai Watch Model Zero in Yo-Kai Watch 2, she wears that on her wrist similar to Nate.
- Nice Girl: She really is, despite everyone else viewing Nate's average-ness negatively, she states the fact in a positive light.
- Not So Above It All: Out of all of the girls in Nate's class, she's the one most likely to join in on the boys' antics. She also has some moments of this sort in the games, which contrast with her usual Straight Man tendencies. Often they involve a paper fan and an orange cat soaring through the air with the grace of an eagle.
- Oblivious to Love:
- A subtle version of this happens at the beginning of Yo-Kai Watch 2: if you're playing as Nate, when he meets with Katie for the first time in the game, he blushes while greeting her. Meanwhile, Katie's version of the events doesn't include any blushing from either of them.
- Exaggerated in the show. Not only do all the boys in her class pine for her, but in certain episodes all three of her guy friends have all shown signs of being attracted to her romantically. This extends to even certain Yo-Kai having the hots for her such as Kyubi, who is actively trying to make her fall in love with him. Somehow, Katie fails to notice any of this.
- One of the Guys: In the games in general, and as the protagonist in particular. She's perfectly comfortable around Nate, Eddie and Bear and she never shows discomfort with doing "guy" things. And in the first game, at least, Eddie's the only one who's had anything approaching romantic tension with her among the crew.
- Out of Focus: She seems to disappear from the middle of season 1 to the start of season 2. Season 2 also marks the appearance of the female protagonist of Yo-kai Watch 3, Hailey. In the games, Nate seems to have surpassed her as the de facto canon protagonist as she isn't playable in Yo-kai Watch 3. Which means as far as the canon's concerned, Nathanial Adams created the Yo-Kai Watch Model Zero, not Kenny Forester. In Yo-kai Watch 3 Sukiyaki Katie is playable again, however Nate is still the main playable character. Katie can only be played in a section of the game.
- Paper Fan of Doom: Can pull this one out when her primary yokai buddies are getting a little too out of control, pulling it from Hammerspace no less. It's one of the ways in which she's sometimes not quite so above it all.
- Pink Means Feminine: Her Yo-Kai Watch is pink, her raincoat is pink and she wears a pink ribbon in her hair. The rest of her outfit is mostly white, although in the anime she eventually starts wearing a different jacket that's, you guessed it, pink. This also extends to the color of the interface she has in the games, though Yo-Kai Watch 2 allows you to change the color of the interface. Even Katie's yo-kai form is pink.
- Promoted to Opening Titles: Appears alongside Nate summoning Yo-Kai in the intro movies for both versions of Yo-Kai Watch 2.
- Promoted to Love Interest: In the first game it's implied Eddie may like Katie (or the other way around), while Katie and Nate are just friends, and not particularly close ones either. The anime made Nate crush on Katie with the games following the anime's lead.
- Put on a Bus: In the third game since Nate's story involves him traveling to America. Hailey never meets her either.
- Slapstick Knows No Gender: She's been the victim of several Yo-kai, including one that triggers flatulence.
- Straight Man: Her personality in the games, much more so than Nate. Unlike Nate (who tends to just get swept up in things) she generally tries to stay serious in the face of all the yo-kai insanity invading her life (and living in her bedroom), and even has a pretty great "what." face◊ when things get particularly ridiculous. Which, in this world, is pretty often.
- Somewhat more prominent in the games, but true to various degrees in both media. She is the only girl in a circle of otherwise guy friends, she enjoys the same things as the boys of the group do (such as catching bugs), and she's very much one of the gang. Her outfit is also, pink ribbon and heart aside, fairly gender-neutral at least, and it's definitely put together with active play in mind first and foremost. She's also shown as being fairly close with Alex, who is similarly tomboyish, but much more obviously so. When she's the actual game protagonist, all these tendencies are more clear.
- This gets some special attention when she goes back in time in 2 - while her tomboyish traits and clothes aren't especially remarkable in the 21st century, in the mid-20th she gets even more attention paid to her appearance than Nate does.
Nathaniel Adams (Keizou Amano)/Kenny Forester (Fumiaki Kodama)
Nathaniel is voiced by: Romi Park (Japanese), Meyer deLeeuw (English)
Kenny is voiced by: Nana Kouno (Japanese)Nathaniel is Nate's grandfather, Kenny is Katie's. The Anime of the Game follows Nate, so Nathaniel appears in The Movie based on the second game and plays a major role.
- Aloof Ally:
- Let's just say he doesn't take too kindly to Nate and is very reluctant to help Nate when Jibanyan is kidnapped by the Wicked tribe Yo-kai.
- He also refused to be friends with anyone (though not without reason) whether they're human or Yo-kai.
- Batter Up!: In the first movie, fighting Wicked tribe alone, he uses a wooden post carved into a bat coated in chili paste.
- Catch-Phrase: "Moxie!"
- Defrosting Ice King: He becomes a lot nicer at the end of the movie.
- Happily Married: With Nate's grandma.
- Identical Grandson: Although compared to most examples, there are some noticeable differences between them like Nathaniel being tan.
- Jerk with a Heart of Gold: Even with his initial refusal to have friends, he was quite gentle with Nate's grandma and he was willing to help innocent Yo-kai in need of help, which is why many Yo-kai wanted be friends with him in the first place.
- Living Shadow: His yokai form is a Super-Deformed black silhouette with yellow eyes wearing a cape.
- My Greatest Failure: When his friend was being bullied by a couple of thugs (actually possessed by Kin and Gin), he was called out on being a coward and said friend ditched him.
- Posthumous Character: He died before Nate was born. As a twist on the trope, in the present day, he's now a Yo-kai of the Brave tribe named Moximous N, living happily with his wife.
- Touched by Vorlons: Flavor text for his yokai form implies becoming one is somehow related to befriending thousands of them.
- Adapted Out: Neither Kenny or Kelly appear in the anime. Katie's grandparents use Generation Xerox designs instead.
- Badass Adorable: They're about your age, and they take on Wicked-tribe Yo-kai armed with nothing more than a stick covered in pepper juice. And they routinely win. Their sheer badassitude does not escape mention during the story.
- Badass Crew: They assembled a crew composed exclusively of extremely famous yo-kai before you even showed up, including such heavyweights as Faux Kappa (AKA the proper Kappa), Pallysol (the classic Karakasa-obake) and Mermaidyn (Ningyo). The crew included the heroic Hovernyan, too. It's this crew getting broken up via defeat that leaves "Grandpa" in the state you first find them in. There is, granted, a bit of Gameplay and Story Segregation here, in that Faux Kappa and Hovernyan are the only members of the crew who go above "D" rank without evolution of some sort. Well, fame's gotta count for something, right?
- Family Theme Naming: Nate was named after Nathaniel. Katie's name is similar to Kenny's
- Gadgeteer Genius: They invented the freakin' Yo-Kai Watch! At age twelve! Their "secret base" treehouse has some other impressive things for their era, too, like a ham radio on the roof and a water-wheel electrical generator built mostly from spare wooden components.
- Heartbroken Badass: Partly because their greatest failure moment is rather more powerful than Nathaniel's was in the movie: when their team of Yo-kai friends tried to take on Kin and Gin, all of them save Hovernyan got turned into stone, and the curse is too strong for "Grandpa" to break in their own time. As a result, they've taken to training and fighting alone, not wanting to risk anyone else getting hurt because of them, which is why they push Hovernyan and the protagonist away at first.
- Identical Grandson: Still pretty true with Nathaniel and Nate, all things considered. It's less obvious with Katie and Kenny (their hair is nowhere near similar and isn't even the same color), but they have similar facial casts and most importantly the exact same eyes.
- In the Name of the Moon: "Defeat the evils of the world with love, moxie and courage! Moximous Mask! Invincible champion! Defender of all!"
- Meaningful Name: In Japanese, their names are written in katakana but their given names both share a first implied kanji with their respective protagonist partners. The non-shared implied kanji tend to be a bit descriptive of the two boys - the "zou" in Keizou can mean, among other things, "image", "portrait" or "appearance", referencing how similar he looks to his grandson. The "aki" in Fumiaki, meanwhile, can mean, among other things, "weariness" - which reflects how worn down Kenny/Fumiaki is by his struggle and its sacrifices.
- Mid-Season Upgrade: Provides it by building the Yo-Kai Watch Model Zero for you, giving you a host of new battle commands.
- Not So Above It All: They're still enormous Moximous fanboys and pattern their heroics after the comic.
- Unwanted Assistance: Their attitude toward the player at first. It stems from having previously lost their yo-kai friends to a curse, and not wanting to get anyone else hurt on their crusade.
Hailey Anne Thomas (Inaho Misora)
Voiced by: Aoi Yuuki (Japanese), Katia Sorrentino (Italian)The new girl in town who is a major sci-fi geek. She's led to the new Yo-Kai Watch U Prototype by USApyon as part of his attempts to help out his old friend Dr. Hughley.
- Adorkable: Her general happy go lucky attitude.
- Demoted to Extra: She has a minimal amount of screentime in the third movie. She just has a live action scene playing with her chemistry set.
- Early-Bird Cameo: Appeared in Wibble Wobble to promote Yo-Kai Watch 3.
- Hero of Another Story:
- She attends Nate's school but has yet to truly meet him outside of the intro and credits, always just passing him. Meanwhile, she's been having her own Yo-kai adventures with USApyon.
- However, she has already seem to have met him in the 2nd movie, but it is unclear whether or not the two will meet in the anime since the five stories are largely disconnected from each other.
- #119 and 120 avert this. They both compete in the Yo-Kai Grand Prix and battle each other for first place in the former. The latter has Jibanyan ask them for help involving Snottle. While Nate doesn't notice Hailey or USApyon, they at least see him interacting with Snottle.
- Innocently Insensitive/What the Hell, Hero?: She definitely has at least one of these moments in the Detective Agency segments once Phantom Thief Kopin arrives. Episode 101 deconstructs it to Black Comedy-levels when Kopin steals Peckpocket's feathers and Hailey tries to cook her in various ways.
- Kid Hero: Alongside with Nate.
- Lethal Chef: Attempts to make Valentine's chocolate for a celebrity crush in episode 107. Key word: Attempts.
- Meganekko: She wears glasses and she has an adorable personality.
- Once per Episode: Pressing poor USApyon's Berserk Button until he snaps by any means. Good thing he's a yo-kai, otherwise Hailey's setting him off would give him high-blood pressure.
- Otaku: Her glasses and interest in space and sci-fi.
- Promoted to Playable: In Yo-Kai Watch 3 Hailey replaces Katie as the female playable character.
- Punny Name: Her English name sounds like alien. Her first name can also be a reference to Halley's Comet. Both referencing her love of space.
- Skirt over Slacks: She wears blue leggings with a white skirt.
- Small Role, Big Impact: Despite her lack of screentime in the third movie, USApyon uses a potion she created to power up Robonyan F.
Edward "Eddie" Archer (Kanchi Imada)
Voiced by: Chie Satou (Japanese), Brent Pendergrass (English), Meyer deLeeuw (English, episodes 1 and 7 only), Martín Gopar (Latin American Spanish), Annalisa Longo (Italian)A short boy in Nate and Katie's class who always wears headphones. A good friend of Nate, Katie, and Bear, he's a realist who refuses to believe in the existence of the supernatural (including Yo-Kai).
- Brains and Brawn: The Brains to Bear's Brawn.
- Fat and Skinny: The Skinny to Bear's Fat.
- Flat-Earth Atheist: He refuses to believe in the existence of Yo-Kai, and usually tries to rationalize away strange happenings caused by them with a logical explanation (even as the situation escalates).
- Lonely Rich Kid: He wishes he could spend more time with his slightly overworked parents.
- Shorter Means Smarter: He's the shortest of the main kids, but also the brains of the group.
- The Smart Guy: Interested in gadgets and very handy with technology, to the extent that he's able to briefly disable part of a museum's security system at one point.
- Spoiled Sweet: Eddie is the richest of the four kids, but is not stuck up or bratty.
- Techno Wizard: He is very skilled with technology. He even managed to hack into Nate's TV and access the late-night adult channels.
- Those Two Guys: Often seen with Bear, more so in the games.
- When You Coming Home, Mom and Dad?: He claims he doesn't mind his parents missing out on his birthday each year, although deep down, he wishes they could spend more time with him.
Barnaby "Bear" Bernstein (Gorouta "Kuma" Kumashima)
Voiced by: Tooru Nara (Japanese), Paul Greenberg (English), Juan Balvín (Latin American Spanish), Fabrizio Valenzano (Italian)Another classmate of Nate and Katie's, he is good friends with both them and Eddie.
- Adaptational Jerkass: Unlike in the games, he has traits of a bully in the anime.
- The Big Guy
- The Bully: Has a shade of this in anime and manga, where he sets up an eraser prank, and punches Nate when he erases his memory with Wazzat and makes him fall for the prank. Utterly absent from his game incarnation, though, who is much more a Gentle Giant and arguably even the biggest softie of the group.
- Brains and Brawn: The Brawn to Eddie's Brains
- Bruiser with a Soft Center: The largest of the group of friends and the most boisterous, but he cares for his friends and is easily moved.
- Fat and Skinny: The Fat to Eddie's Skinny.
- Multicolored Hair: His hair is both black and brown.
- Only Known by Their Nickname: To the extent that Whisper is surprised to hear that his first name is actually 'Barnaby'. Usually only adults such as his mother call him it.
- Those Two Guys: Often seen with Eddie.
Lucas (Hikage Mao)A boy who can sense Yo-kai even without a watch since his father is Lord Enma, previous ruler of the Yo-kai world, thus making Lucas a Yo-kai too.
- Amnesiac God: Somewhat, as the Enma family's Yo-kai are considered extremely powerful and god-like, however, Lucas seems to be very weak.
- Back from the Dead: In the Yo-kai Watch 3 side quest "Enma Note Part 2" where he was revealed to have been murdered, explaining his absence during Yo-kai Watch 3, he's eventually bringed back to life at the end of the quest.
- Demoted to Extra: True, Nate's classmates were extras to begin with, but its more noticeable with Lucas in the anime due to his role in the first game.
- Distressed Dude: He often seems to be put in danger since being a heir to the throne of the Yokai World tends to make him an obstacle for Yo-kai with less than wholesome intentions.
- Dreaming of Things to Come: This is the very reason he approaches Nate/Katie during the last chapter of the first game, and why he gives you the quests Back To The Yo-kai World and Nightmare Revelation in the post-game of the sequel as he has dreams that show prophecies of calamities and destined events to come.
- Foil: Subtly to both the current Lord Enma and Venoct.
- Frames of Reference: His glasses are rather round, much like an allusion to his shy, reclusive, but gentle personality.
- I See Dead People: He can sense Yo-kai without a watch. Justified since he's a Yo-kai himself.
- Idiot Hair: He isn't stupid, but he has a small ahoge.
- Kill the Cutie: Related to the Back from the Dead section.
- Peek-a-Bangs: His hair covers the entirety of the right side of his face.
- Laser-Guided Amnesia: According to Venoct, his memory was erased to protect him from Mc Kraken.
- Nerves of Steel: He never seems fazed by anything, even witnessing a fire starting or learning that his whole life is essentially a lie.
- Nice Guy: He's a sweet kid, and in the Waku Waku Nyanderful Days manga he's seen making curry for a group of Yo-kai.
- Non-Action Guy: Even though he is aware of Yo-kai, he never jumps into direct action.
- Reflectionless Useless Eyes: His eyes lack the shine the other children's eyes have, perhaps an allusion to him not being actually human.
- Royals Who Actually Do Something: According to Whisper, Lucas acted as an intermediary to allowing the Yo-kai to return to the human world for the first game's epilogue.
- Time Master: Extremely Downplayed, as it was actually a game mechanic in the first game where talking to him in the post-game would make you relive the Final Boss battle. It's unknown if he actually has any time-related powers in canon besides his Dreaming of Things to Come.
Alex (Mika Yamaguchi)
Voiced by: Alicyn PackardA girl who occasionally hangs out with Katie in the anime.
- Nice Hat/Tomboyish Baseball Cap: She wears one.
- Lovable Jock: She plays sports and says she practices karate in the second game.
- Love Triangle: A side quest in 2 has Eric and Kenny inspirited by Terrorpotta, resulting in them developing false crushes on Alex. They both send her a letter asking them to meet her. She lets the player choose which boy to meet only for the other boy to show up resulting in an argument. Alex cries to stop their fight and with Terrorpotta discovered and dealt with, Eric and Kenny come to their senses only to develop real crushes on her.
- Masculine Girl, Feminine Boy: The masculine girl to Kenny's feminine boy. A side quest has Alex ask for a "Think Karate" book while Kenny asks for a "L'il Angel Heals". When exploring the Old Mansion, Kenny is clearly scared while Alex is excited about exploring.
- One of the Boys: At the beginning of the second game, she's playing soccer at school with the boys.
- Tomboy: Of the athletic variety and has the outfit to match.
- Tomboy with a Girly Streak: She blushes when Kyubii gives her a rose and happily accepts and attends Katie's Valentine's party.
Andy (Koichi Kato)A boy in Nate's class. He makes up the Springdale Detective Kids Team with Mark and Daniel. He gets inspirited by Fidgephant in the anime's first intro.
- The Leader: He is the one you have to talk to in order to start the detective side quests and return the hidden badges to.
- 10-Minute Retirement: He vows to disband the Springdale Detective Kids Team if Nate/Katie solves their last riddle. He does and immediately reunites the group under the name "New Springdale Detective Kids Team", because he only said he would disband the group, but never said he wouldn't recreate it.
Casey (Hideo “Hidepon” Yoshida)A boy who gets into an argument with Nate during the Tattletell scenario.
- Spear Counterpart: He replaces Sarah during the Tattletell scenario if Katie is chosen as the player character.
Chelsea (Chiyo Suzuki)Another girl who often hangs out with Katie.
Daniel AndersonA boy in Nate's class. He makes up the Springdale Detective Kids Team with Andy and Mark.
- Cloudcuckoolander: He often suggests that the boys play a sport, only to comment how funny the word sounds, not knowing what is is, or states he was just joking and claims said sport isn't real.
- Dub Name Change: Averted. He's one of the few (if not the only) human characters to not have their name change. Justified, since he already has an English name in the Japanese version.
- Token White: Possibly. He is the only one to have a Western name in the Japanese version.
Eric (Takumi Ito)A boy in Nate's class and the best dancer in the anime. In the first game, he's a victim of Spenp and wastes errand money on toys.
- Dancing Is Serious Business: A scene from the anime shows he's the best dancer in class.
Kenny (Yamada Kenji)A boy in Nate's class, identified by his tan skin and shaved head.
- Masculine Girl, Feminine Boy: The feminine boy to Alex's masculine girl. He asks for a "L'il Angel Heals" book in contrast to Alex's "Think Karate" and is scared of exploring the Old Mansion.
Lina (Rina Maede)A blue haired girl in Nate's class. She becomes friends with Zoey due to their mutual love of the supernatural and spooky subjects.
- Blinding Bangs: Her eyes are covered by her hair.
- Nice Girl: she may giggle at nothing on occasion, but she's really this.
- Tomboy and Girly Girl: The girly girl to Zoey's tomboy.
- Wide-Eyed Idealist: She's way nicer about Nate's explanations for the strange goings on being the fault of Yo-Kai when she lets him join her club. She accepts that there are many things she might not be able to perceive and believes Nate anyway despite having no proof to back up his claims. Whisper notes how impressive her open-mindedness is.
Lulu (Ai Kobayashi)A girl in Nate's class and it is implied Bear has a crush on her.
- Hair Decorations: Has one shaped like a piece of candy.
- Obsessed with Food: She gets inspirited by Hungramps during her side quest.
Mark (Mamoru Kimura)A boy in Nate's class. He makes up the Springdale Detective Kids Team with Andy and Daniel.
- Peek-a-Bangs: Only one of his eyes is seen, the other is covered by his hair.
- The Stoic: He's considerably much calmer than Andy and Daniel, and rivals Shelly in the "not talking much" department.
Matt (Teppei Hashimoto)A boy with a yellow bandana.
- Determinator/Honor Before Reason: He's playing the arcade's crane game, but since he's possessed by Chansin, he keeps losing. The clerk is worried about him and offers a prize for free since he already blew tons of money. Matt refuses since he thinks prizes are to be won.
Maya (Mai Fujimoto)A girl in Nate's class. Identified by her leopard print shirt and ponytail.
- The Fashionista: Sarah claims that she's the trendiest person in class and she's part of a sidequest to help a boutique clerk pick out a fashionable outfit for a customer.
- Took a Level in Jerkass: In the second game, a side quest has her trying to give Shelly a makeover and is rather pushy about it.
Megan Jones (Sasaki Megumi)The girl who sits next to Nate, Eddie, and Bear. The first anime intro shows her inspirited by Dismarelda.
- Child Popstar: She wants to become one since she thinks its cool and doesn't think being a pop star would be hard.
- Girlish Pigtails: Her defining trait.
- Poisonous Friend: Downplayed and unintentional, but she's the reason Natalie became obsessed with pop stars and tried camping out in front of a convenience store.
Natalie (Norika Nakajima)
Voiced by: Alicyn PackardThe biggest girl in Nate's class.
- Celebrity Is Overrated: Alex and Megan Jones try to convince her of this. They succeed thanks to D'wanna.
- Determinator: She spends some time outside of a convenience store because Megan Jones filled her obsession with pop stars and she heard rumors of a celebrity stopping by the convenience store 10 years ago.
- Gentle Giant: Aside from Bear, she's the biggest kid in class and about as nice as everyone.
Sarah (Satoko Hayashi)Katie's most frequent friend in the anime. In the games, they get into a fight during the Tattletell scenario (if Nate is the player).
- Bookworm: She first shows up in a bookstore (if you're playing as Katie) and comments her love for books and wishes she could buy more.
Shelly (Shiori Nakamura)A quiet, shy, girl in Nate's class. She's initially ignored by her friends due to a Dimmy making her invisible.
- Hidden Eyes: Her glasses cover her eyes, though they're seen during a side quest in the second game.
- Shrinking Violet: She's shy and doesn't say much.
- You Don't Look Like You: During her makeover in the second game, she looks different to say the least, wearing brighter colored clothes, taking off her glasses, and changing her hairstyle.
Stephen (Asano Haruhiko)A boy in Nate's class with a yellow shirt and glasses.
- From Bad to Worse: His Request has him wanting to be a bad boy, so Roughraff was called in to make a bad boy out of him. It quickly devolved into a chase sequence with an increasingly faulty inspiriting that ends when the player has to beat up the Roughraff they had inspiriting him in the first place
- The Smart Guy: Aside from Eddie and Katie, he's the smartest kid in class and his summer school teacher sees potential and expects results from him.
Zoey (Saki Shizuka)A girl who accuses Lina of revealing her secrets when possessed by Suspicioni. Once she's back to normal, she becomes friends with Lina over their mutual love of supernatural and spooky subjects.
- Agent Scully: Unlike Lina, she's skeptical about Nate/Katie's claims of Yo-kai.
- Scary Shiny Glasses: In the games, her character portrait portrays one eye normally, but the other is hidden behind her glasses lens. In the anime, the glasses always cover her eyes.
- Tomboy and Girly Girl: The tomboy to Lina's girly girl.
Crystal Starr (Kirara Hoshikaze)A girl from a rich family and one of Hailey's classmates.
- Rich Bitch/Spoiled Brat: Subverted. Her stuck up attitude is an act to fool her two friends and is actually very civilized towards Hailey.
- Slapstick Knows No Gender: Cheeksqueek inspirits her in #112.
Jessica Stonewood (Yuka Ishinomori)Hailey's best friend.
- Nice Girl: She's friendly and soft-spoken.
- Only Sane Girl: Out of Hailey's classmates (including Hailey herself) Jessica's the only one (out of the ones we've seen so far) lacking particular quirks, effectively making her the most normal kid in Hailey's class.
- You Gotta Have Blue Hair: She has turquoise hair.
Voiced by: Ryoko Nagata (Japanese), Alicyn Packard (English), Renata Bertolas (Italian)Nate's mother.
- Absurdly Youthful Mother: Perhaps even more prominent on Mrs. Adams in the anime than it is in the games. She's still got the loose, flowing hair, the younger facial cast, and the fashion sense of a college undergrad (that scarf!), and on top of that she also gets into knowingly goofy shenanigans for her son's sake (like the beginning of episode 3) and has a very close bond with him as a result, and in the show is also only about six inches taller than Nate, if that. She's supposed to be in her thirties, but you really gotta wonder sometimes...
- Amazingly Embarrassing Parents: If talking about Nate's underwear in front of Eddie, Bear, Katie, and Sarah is any indication.
- Good Parents/Reasonable Authority Figure: She can be strict when she needs to and excluding times she's inspirited by a Yo-kai she only unleashes her rage if Nate truly did something to deserve it and as long as Nate is behaving, he can have his fun.
Voiced by: Tooru Nara (Japanese), Brent Pendergrass (English), Phil Lollar (English, episodes 1 and 7 only), Massimo Di Benedetto (Italian)Nate's father.
- Adult Fear: He makes an off-hand remark about how he might have lost his job after the What Dad Forgot chapter in the first game (the Wazzat scenario).
- Alliterative Name: His name is revealed to be Aaron Adams.
- Good Parents: He buys Nate a bike for saving his job and beyond that, he's a lot more lenient with Nate than his wife.
- Henpecked Husband: Any spending money comes from his wife.
- No Name Given: Averted. His name is revealed to be "Aaron" during the first game's chapter What Dad Forgot.
- Shout-Out: His dub name may possibly be one for Inazuma Eleven, another Level-5 title, as there is a character named Aaron Adams in that series who is a coach. Interestingly enough they also share the same Japanese VA.
Rebecca ForesterKatie's mother.
- Education Mama: Implied. In one episode, Katie is reluctant to go home since her test score wasn't perfect. She's fairly lenient with Katie and tells her to do her best next time.
Jason ForesterKatie's father.
- Good Parents: He buys Katie a bike for saving his job and offers to help her with her summer homework.
- No Name Given: Averted. His name is revealed to be "Jason" during the first game's chapter What Dad Forgot.
- Amazingly Embarrassing Parents: She brings Bear's gym clothesnote to school in the anime's fourth episode and calls him "Pooky Bear" in the English version and "Goro-chan" (which means to roll around) in the Japanese version leaving Bear blushing.
- Bruiser with a Soft Center: Even when he's furious at Bear for the engagement ring incident, he's still friendly when talking to Nate/Katie.
- Henpecked Husband: He's furious at Bear for using his mom's engagement ring as fish bait and losing it. At the end, Bear's Mom reveals that the ring Bear used was from a capsule vending machine and she's never taken off her real engagement ring. She angrily asks if he forgot which ring he used to propose to her. After some nervous stuttering, she tells Bear that his father is a good man, but a little misguided and leaves Bear in charge of the house while she's leaving for a class reunion.
- Good Parents: They may spend a little too much time at work, but they still know to leave a cake and presents for Eddie on his birthday and bring him on vacations.
- When You Coming Home Mom and Dad?: They work a little too much and often leave Eddie alone on his birthday.
Mr. Joe Johnson
Voiced by: Kazuhiro Fusegawa (Japanese), Paul Greenberg (English)Nate's homeroom teacher.
- Alliterative Name: In the Official Guide, his name is Joe Johnson.
- Cool Teacher: He really likes dodge ball.
- No Name Given: In Japan, he was known as "Homeroom Teacher". He was given a name in other dubs.
- Not So Above It All: His love of dodge ball and he participates in Eddie's hide and seek game.
- Reasonable Authority Figure/Stern Teacher: He can be (rightfully) mad if his students misbehave or don't do their homework, but he can reward them for their hard work. He's really only a jerk when he's inspirited by a Yo-kai and even then he doesn't cross the line into Sadist Teacher territory.
Mr. BartonThe science teacher of Springdale Elementary.
- Hot Teacher: Teaches science class, but looks quite attractive. He even has his own fan club of female students.
Mr. GoodsightMr. Goodsight is the owner of Timers & More, a timepiece place just down the street from Bear's home in Blossom Heights. He may be an old man, but he's in charge of Yo-kai Watch maintenance and upgrades.
- 20 Bear Asses: To get your Watch to Rank C and above, Mr. Goodsight will hand out Requests that task you to fight 3 specific Yo-kai with the same Rank your Yo-kai Watch is set currently as in specific locations. However, the one for Rank S is not available until the post-game.
- Adapted Out: He doesn't appear at all in the anime.
- Fetch Quest: His debut chapter consists of this. To get the Rank D Yo-kai Watch in the first game, you'd have to get several parts around Blossom Heights needed for Yo-kai Watch tuning, then to get back Goodsight's lucky underwear from the Hot Springs at night.
- Full-Body Disguise: Goodsight admits that he's actually a Yo-kai when Nate asks how he can see Whisper when you first need his services.
- Godzilla Threshold: Whisper tells Nate about Goodsight after the battle with Slimamander ended with Venoct saving their collective bacon.
- Primal Fear: Does not want to get out of his shop at night. Considering night is usually time for Terror Timenote and he's a old Yo-kai, you can't exactly blame him from being afraid of getting caught in Terror Time.
- The Wonka: As stated above, this guy's the go-to person for upgrading the Yo-kai Watch, and is also a normal watch fixer. Just be prepared if your watch gets added parts when you get it back..
Voiced by: Brent Pendergrass (English)
- Badass Grandpa: An old man who's actually very capable of getting rid of monsters.
- Hero Antagonist: Not a villain by any means, but his intentions are not favorable for Nate and his Yo-kai friends.
- Lethal Joke Character: Appeared to be some nutcase who used voodoo incantations to expel Yo-kai, until it's revealed they actually work.
- Occult Detective: He technically qualifies, even though he lacks the investigation part.
Voiced by: Kiyono Yasuno (Japanese), Masami Nagasawa (Japanese, 2nd movie), Alicyn Packard (English)Jibanyan's owner and best friend when he was a normal cat named Rudy.
- Catch-Phrase: "Lame", her all-time favorite insult to use.
- The Fashionista: She wants to be a Fashion Designer.
- Girlish Pigtails: Had these as a child.
- The Ghost: Outside of the second movie and the past when Jibanyan was sent back in time in episode 25, she only appears in flashbacks.
- How Dare You Die on Me!: In Yo-kai Watch 2, she shouts "That's so lame! Lame lame lame! Why did my cat have to die?" during the flashback where Jibanyan learned how he actually died.
- Nice Girl: Just look at how she took care of Jibanyan when he was alive(as Rudy).
- She Is All Grown Up: In the second film, traveling to the future Jibanyan meets a much older Amy, and the two reunite with each other.
Voiced by: Joey D'AuriaThe president of the Dandai toy company who hires Komasan when he's looking for a job.
- Benevolent Boss: When Komasan asks to resign when his job keeps him from spending time with Komajiro, Thatchet actually accepts and takes back his job as president, even though it would keep him from spending time with his own family.
- Easily Impressed: He gets inspired to make his next toy line based on just about anything Komasan says, and instantly promotes him to executive.
- Parental Neglect: He states himself that he has been a terrible father, who is consumed by work and has little time for his daughter.
- Reasonable Authority Figure
Mr. Batham (Gatarou Gaman)The old man who inadvertently helped Nate deal with Sproink, Enduriphant's instructor and the Directator's Yes-Man.
- Alliterative Name: In the Japanese version.
- Continuity Nod: He can be seen with what one can only assume is an identical twin alongside the dancer trio during the boss fight against Sproink in the first game. In the anime, he replaces Mr. Goodsight as being important to the Sproink scenario though in this case it quite thankfully did not involve his underwear...
- Satellite Character: He only tends to appear sparingly and when he does, it's usually either to further the plot to be a running gag. While he does have his own personal motivation to a certain degree in his first appearance in the anime, his actions ultimately proved to be more important than himself as a character and the second time he appeared, he again had his own motivations and actions, but they again only served as a means to a resolution that was ultimately more important than himself, with Enduriphant ultimately overshadowing him.
- Yes-Man: Every time someone questions the Directator's decisions in the anime and in a quest in Yo-Kai Watch 2, Mr. Batham gives Directator an "OK" hand gesture.
Lucy Loo Adams (Yukiko "Yukippe" Amano)/Kelly Jelly Forester (Mariko "Marippe" Kodama)
Lucy is voiced by: Hisako Kyoda (Japanese, as grandma), Haruka Shimazaki (Japanese, as "Yukippe"), Jenn Wong (English, as both grandma and young)Nate's grandmother and Nathaniel's wife.
- Doting Grandparent: She is always willing to make Nate dinner whenever he comes over.
- Knew It All Along: At the end of movie reveals that she knows about the Yo-kai Watch, and her glasses are also made with the same mysterious marble that Nathaniel used to see Yo-kai.
- Miniature Senior Citizens: She is about Nate's height at old age.
Next HarMEOWny (NyaKB)
Voiced by: Haruka Shimazaki, Yuria Kizaki, Rena Kato, Mako Kojima, Rina Kawaei, Sakura Miyawaki, and Jurina Matsui (Japanese), Alicyn Packard (English)A cat-themed girl band of whom Jibanyan is a huge fan of.
- Cat Girl: They all wear cat ears and tails as part of their gig.
- Idol Singer: Thanks to the franchise's popularity, they have been Defictionalized.
- Ms. Fanservice: They all starred on a late-night fanservice show meant for adults.
Director Phonius (Yarase)
Voiced by: Paul Greenberg (English)A TV show producer who uses Komasan and Komajiro to star in a show about discovering mythical creatures, which is really just a bunch of cheap special effects.
- Enforced Method Acting: He has Komasan participate on the show without telling him that all the creatures are fake so that he reacts with awe and excitement at "discovering" them.
- Well-Intentioned Extremist: He only created the show to spark the imagination of people worldwide, even if it meant lying to them.