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Yachi is a character in the Disney+ Original series Baymax!. She is a stray tabby cat who has roamed the independent streets of San Fransokyo and now trusts Baymax and Kiko Tanaka as their new caretaker allies.



Whenever Yachi opens her mouth, the earbud emits excerpts from the local news or snippets of songs and advertisements, sending the cat into even greater panic. Baymax, determined to massage the feline’s throat to eject the intrusion, just makes her anxiety and fear worse. She’s a cat. She doesn’t know he’s trying to help.
―Cirocco Dunlap[1]

Despite being a feisty and scrawny cat, Yachi is not hesitant to refuse to defend herself when situations get out of hand for her in her solitary being. She is often seen as an afraid and hysterical cat. However, she actually just wants to be loved; she never felt much of being loved in her life. And perhaps not needing anyone, she still wants to have connection to close encounters in her life - she has her still-humorous moments here and there, so what she really wants to feel is happiness and heart.

Physical appearance[]

Yachi is a alley, stray, and street cat with orange fur. She has a white muzzle, paws, tip of tail, ear insides, and eye mask. She also has olive-green eyes with black colored circle shaped eyes, a long thin tail, messy whiskers on the sides of her muzzle, and two large ears with the left one having a tiny notch, giving the fact she is a stray.


  • Ultrasonic Meow - Yachi has a very loud meow that can be heard from miles away. She has used this meow mainly to alert people about her surroundings and to warn them that they should back off. She has most notably used this meow when she alarmed the construction workers about not closing the construction house because Hiro, Sofia, Mbita, and Kiko are inside the pothole to help plug Baymax back to life.


  • Her name means “Eight Thousand” in Japanese.
  • The trailer subtitles listed the character as "Boss Cat" due to her reckless nature.
  • Despite making her official debut in the Baymax! episode "Yachi", she has previously made cameos in the Baymax! episodes "Cass" and "Mbita". In "Cass", she made a cameo at the end of the episode when she stared at the Lucky Cat Cafe for a couple of seconds and then scampered away shortly after. Then in "Mbita", she made a cameo at the very beginning of the episode where she could be seeing stealing a bony fish from a trash can, then hops off.
  • She is skilled at stealing food from other people. An obvious attempt at this was when she emitted loud music on a man’s EarPods to distract him and get sushi from him. A more famous attempt is when she snatches a red lollipop from an unplugged Baymax’s hand.
  • Baymax reuses the line “Hairy baby….hairy baby” while petting her to relax her from the falling shelf. This line was originally used when Baymax was petting Mochi in Big Hero 6.





v - e - d
Big Hero 6 logo
Films and Television: Big Hero 6 (video/soundtrack) • Big Hero 6: The SeriesBig Chibi 6: The ShortsBaymax!

Books: MangaThe Art of Big Hero 6Comic Books
Video Games: Big Hero 6: Battle in the BayBig Hero 6: Bot FightDisney Infinity seriesBig Hero 6: Baymax BlastKingdom Hearts IIIDisney Crossy RoadDisney Emoji BlitzDisney Magic KingdomsDisney Heroes: Battle ModeDisney Sorcerer's Arena

Disney Parks
San Fransokyo SquareThe Happy Ride with BaymaxThe AnnexThe Magic of Disney AnimationPLAY!

Entertainment: Baymax Super Exercise Expo
Fireworks: Happily Ever AfterDisney EnchantmentIlluminate! A Nighttime CelebrationMomentousWonderful World of AnimationDisney in the StarsWondrous Journeys
Parades: Dreaming Up!Disney Harmony in Color! Parade

Original: Hiro HamadaBaymaxTadashi HamadaGo Go TomagoHoney LemonWasabiFredAunt CassRobert Callaghan/YokaiAbigail CallaghanAlistair KreiSergeant GersonMochiYamaMr. FredericksonMrs. FredericksonHeathcliffJudyThe Ringleader

The Series: Professor GranvilleObakeBaron Von SteamerKarmiHigh VoltageRichardson MoleGlobbyFelony CarlMomakaseMad JacksMini-MaxMr. SparklesWendy WowerTrevor TrengroveNoodle Burger BoyLenore ShimamotoTrinaLiv AmaraDi AmaraOrso KnoxMegan CruzChief CruzChrisAC and DCNega-GlobbyMayoiSupersonic SueHardlightRoddy Blair
Baymax!: Kiko TanakaSofiaAliMbitaYukioYachi
Deleted: The Fujitas

Big Hero 6: The Series

Shorts: "Baymax and Fred" • "Baymax and Go Go" • "Baymax and Wasabi" • "Baymax and Hiro" • "Baymax and Mochi" • "Baymax and Honey Lemon" • "Baymax Dreams of Too Many Baymaxes" • "Baymax Dreams of Evil Sheep" • "Baymax Dreams of Bed Bugs" • "Baymax Dreams of Mochizilla" • "Baymax Dreams of Too Many Freds"
Season One: "Baymax Returns" • "Issue 188" • "Big Roommates 2" • "Fred's Bro-Tillion" • "Food Fight" • "Muirahara Woods" • "Failure Mode" • "Aunt Cass Goes Out" • "The Impatient Patient" • "Mr. Sparkles Loses His Sparkle" • "Killer App" • "Small Hiro One" • "Kentucky Kaiju" • "Rivalry Weak" • "Fan Friction" • "Mini-Max" • "Big Hero 7" • "Big Problem" • "Steamer's Revenge" • "The Bot Fighter" • "Obake Yashiki" • "Countdown to Catastrophe"
Season Two: "Internabout" • "Seventh Wheel" • "Prey Date" • "Something's Fishy" • "Nega-Globby" • "The Fate of the Roommates" • "Muira-Horror!" • "Something Fluffy" • "Supersonic Sue" • "Lie Detector" • "Write Turn Here" • "City of Monsters" • "Mini-Maximum Trouble" • "El Fuego" • "The Globby Within" • "Hardlight" • "The Present" • "Hiro the Villain" • "Portal Enemy" • "Fred the Fugitive" • "Major Blast" • "Fear Not" • "Legacies"
Season Three: "The Hyper-Potamus Pizza-Party-Torium" • "Mayor for a Day/The Dog Craze of Summer" • "Trading Chips/Mini Noodle Burger Max" • "A Friendly Face/Big Chibi 6" • "Cobra and Mongoose/Better Off Fred" • "Big Hero Battle/Go Go the Woweroo" • "The New Nega-Globby/De-Based" • "The MiSFIT/Return To Sycorax" • "A Fresh Sparkles/Noodle Burger Ploy" • "Krei-oke Night/The Mascot Upshot"

Baymax!: "Cass" • "Kiko" • "Sofia" • "Mbita" • "Yachi" • "Baymax"

Big Hero 6
San FransokyoLucky Cat CaféSan Fransokyo Institute of TechnologyAkuma IslandFrederickson ManorKrei Tech IndustriesNoodle BurgerObake's LairSycoraxFrederickson Candy Co.
MicrobotsMegabotBaymax's ChipHoney Lemon's Chem-PurseYokai's MaskLittle YamaSilent SparrowSkymaxesLenore Shimamoto's JournalKentucky KaijuEnergy AmplifierGo Go's Cycle
StoryImmortalsWe've Got Dance PowerNoodle SongWe're Gonna Be GoodWe Are 4 2 SingDark MatterWoweroo RapB-A-Y-M-A-XA New AngleHappy SongBa La La La La La La La LaKoo Loo LeeOne Sweet Ride