Vital statistics
Full Name Katie Persky
Aliases None
Age 9
Gender Female
Hair Color Brown
Race Caucasian
Eye Color Black
Friends Allie, Corey Riffin, Laney Penn, Kin Kujira, Kon Kujira, Trina Riffin (mixed)
Enemies Trina Riffin (mixed)
Love Interest Nick Mallory (Wicked Cool Transition Builder only), Corey Riffin
Relatives None
Faction Groupie
Location Peaceville
First Appearance Grojband Pilot
Latest Appearance Curse of the Metrognome (Cameo)
Voice Actor Addison Holley

Katie "Kate" Persky is one of Grojband's adorable groupies. She is the biggest fan of Grojband along with her best friend, Allie. She is a pretty brown haired girl that has a crazy obsession for Grojband and usually squeals over Grojband and is in love with every single member of the band mostly Corey. She is voiced by Addison Holley.


Kate is a 9-year-old girl[1] with short, brunette with her hair in a curly bun and glasses. Her skin has many freckles and her shirt is white with black sleeves and fire on it which matches the shirt that Kon wears. She also wears teal pants and red sneakers.


Kate is a Grojband obsessed fangirl who will risk her life to help out with the band. She is almost always seen with her best friend, Allie, and attends every Grojband concert she can.

Episode appearances

Major Roles

Minor Roles


  • Although Kate and Allie are the biggest fans of Grojband, they have been shown to be huge fans of other celebrities in the show.
  • In the episode Group Hug, Corey revealed to her and Allie that he doesn't write his own lyrics and that he steals them from Trina's diary. This makes her, Allie, and The Orb Experience are the only ones who know this secret about his band.



See also

Grojband Characters
Grojband Corey RiffinKin KujiraKon KujiraLaney Penn
Main Antagonists Trina RiffinMina BeffThe Newmans • (Carrie BeffLenny NeppKim KagamiKonnie Kagami)
Supporting Characters Nick MalloryMayor MellowKate PerskyAllie DayBuzz NewsworthyChance Happening
Minor Antagonists The Orb Experience • (G'ORBT'ORBZ'ORBN'ORB) • Two JuniorThe Pirate Crew • (Captain Tighty WhiteyShaven BeardBarnacle Tim)
Recurring Characters BarneyMother MellowParty DanimalChipperLaney's HeartDonkeyDr. Purr
Season 1 Characters Cherry GrapestainFuture Kin and KonZombiesDog NickCaptain CarneyCarney KidThe Bubble Bunch Band • (Bobby BlueRandy RedGary GreenYosef Yellow) • Pretty PuppetsScary PuppetsAnimatronic GrojbandRandom Stunt DuckDaveDaverMonster ChuckSchool Bus RhondaIce Cream TomMr. MoosefaceNumbersNerds • (TrigonometrinaCameron ButtonsClaire Root) • Space OrbsThe Orbmans • (G'ORB CarrieZ'ORB KimT'ORB KonnieN'ORB Lenny) • The Brotherly BoysCleatBessyBake BarneraEvil HelmetThe TypicalsEl ChewpoocacaPlantyBlade StabbingtonBitefacePorka PolkaFour Man HorseChicken Suit ExperienceZoo Animals • (BearJoey) • Mr. RiffinQueen Bee Cuties3D DaveThe Dead RosesMrs. KujiraDream NicksMirage Band • (Mirage CoreyMirage KinMirage KonMirage Laney) • EsmeraldaQuincess TrinaDog MinaKatrinaMick MalloryThe Justice Band • (Front ManLivewireScreeculesBeat Bot) • StilettoProfessor BonkertonThe Four SquallsKing LyriclesSmasheusMs. ObedienceTalking BabyMullet BulletKon DogYippieSparklesFrequenciousMermaidsD-Keizer ZapSparklebrainOtisMr. PeapennyNerdiciusBeaversBlue Star of Rocklympus • (Flute of RocklympusGuitar of Rocklympus) • CliffPeaceville Dinosaurs
Season 2 Characters Gorillandmas • (BlancheBerthaBeatrice) • TorboCheerleadersCylus RiffinFlin and Flon KujiraJanie PennBrick MalloryStatue SteveMimeyMime ArmyEarthbound SpiritLyriclesShrediciousGrojmans • (Corey CarrieLaney LennyKin KimKon Konnie) • DJ FusionForever HandholdTuba TimHipstersTrina's HeartDark Rimmed GlasseousCandy JamsGuy BromanBylaw 62.8Melodious MonkTrina's GoldfishHologrojband • (Holo-CoreyHolo-KinHolo-KonHolo-Laney) • Holo-NickWheelieSnarfflesVeterinarianQuacker JackMr. KujiraThe MotivationsJammyLoud FrankEarl RuralReplacement Grojband • (JaneyJinJon) • The Walking CarpetsGaryMetrognomeSavage FredAncient SambansPanda Bear Internet MemeL'ORB
Background Characters ChloeEmmaGigiLibbyRingo
Other Characters Red BreastChip ChunklyChunk ChipleyBig ToeFire Drum GodElectric Guitar GodStoner Hippie GoddessPink Star of Rocklympus
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