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Orso Knox is a character in Big Hero 6: The Series. He was a wealthy business investor in San Fransokyo prior to being mutated into a monster by Di Amara.

Role in the series[]

Season one[]

In "Big Problem", a mutated Knox breaks into Frederickson Manor, attacking Fred and Mini-Max. He recites a peculiar line before taking his leave. He does the same with Alistair Krei at Krei Tech headquarters. Krei calls upon Big Hero 6 to stop this menace, promoting the team to investigate. Both the Fredericksons and Krei were scheduled to meet with Orso Knox, leading the team to search for a connection. They visit Knox's home, but he is nowhere to be found. Baymax scans for Knox, but the monster arrives and attacks. They are able to scare it away with Baymax's Overdrive Mode, allowing them to continue their investigations at Fred's manor. There, Honey Lemon deduces that the monster is indeed Knox, which Baymax confirms as the DNA of Knox and the monster are identical. Using Knox's planner, they see that he is attacking those of whom he had planned meetings with, leaving his final target to be Di Amara. Knox attacks Amara at a gala event, but Karmi is able to sedate him using biotech. Knox is then taken into Amara's care at the Sycorax genetics lab.

Season two[]

Months after his incapacitation in "Prey Date", Hiro becomes suspicious of Liv's supposed "treatment" of Orso Knox. He coerces Karmi to assist in accessing Knox's containment unit. Knox manages to escape, taking Hiro with him. Furious, Liv orders Big Hero 6 to kill Knox, but before they can, Hiro realizes that Knox has never meant any harm after he saved his life twice and that any destruction that he's caused was out of sensory overload or hunger. Big Hero 6 spares Knox and returns him to Sycorax, where the team is able to "cure" him. Knox, once again human, nervously makes a public statement regarding his health to save face for the company. In private, however, Liv forces Knox to remain an investor for her company by threatening to turn him back into a monster, using a chip that was implanted into his body, should he refuse.


  • Knox's monster roars are those of a lion or tiger and the roars of the Tyrannosaurus Rex from the Jurassic Park films.
  • Fred and Alistair Krei describe Knox's monster form as comparable to "a whale and a dinosaur and some hair into a blender, then poured that into a human-shaped ice tray, and froze it and let it thaw a little."


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