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Tongue Monster

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The Tongue Monster is a corrupted Gem that first appeared in "Kindergarten Kid".


The Tongue Monster is a bipedal, avian-esque Gem, with two long dark green legs which lead into an orb-shaped and teal-colored body. On either side of her head are a set of three small eyes with white sclera and lime-green irises. She has a large mouth with fang-like teeth and a set of three gray tongues she often undulates when calling out while bobbing up and down. Her gem is located on the center of her nose and is a mixture of blue-green, gray, and brown colors that are different on each facet.


  • Enhanced Speed: She can run at extremely high speeds, making her immensely difficult to capture, even when trying to grab onto her such as when Amethyst latched onto her using her whip.
  • Enhanced Strength: She's capable of towing gems like Amethyst and Peridot behind her while still running at maximum speed, and was easily able to lunge onto Steven and attack him using her talons.
  • Intelligence: She was capable of outsmarting Peridot and Steven's plans, and even inadvertently caused Peridot to get crushed by a massive boulder through her curiosity.


"Kindergarten Kid"

The Tongue Monster was the main antagonistic force in the episode. She was left in the Beta Kindergarten after Jasper had been corrupted and poofed as a remnant of her army which was being rounded up by the Crystal Gems. When Pearl, Garnet, and Amethyst were incapable of capturing her, Peridot and Steven went out to hunt her down. Peridot attempted to outsmart her with her various "Peri-plans", however despite her and Steven's best efforts she managed to cause each of their plans to backfire. Steven then suggested that Peridot should think like the Tongue Monster. Eventually, Peridot and the Tongue Monster fell off a cliff, which Peridot survived due to her innate durability, while the Tongue Monster was poofed by the force of the fall. Peridot then bubbled her gem which end up being sent to the Barn instead of the Burning Room as Peridot considers the barn to be her home.

Episode Appearances


  • She resembles the small figurine Steven had in his room which he showed to Holo-Pearl in the episode "Steven the Sword Fighter", which in turn parodied Sonic the Hedgehog, who is also known for his remarkable speed.
  • She and the Cluster are the only bubbled Gems not in the Burning Room.
  • She parodies a well-known Looney Tunes character, the Road Runner, who was known for his antics alongside Wile E. Coyote.
    • Like the Road Runner, she has avian-like characteristics, high speed, and also makes gurgling sounds.
  • She also bears a resemblance to the shrieker from the Tremors Franchise.
    • Like the shriekers, the Tongue Monster possesses long legs, a large head and mouth, a long tongue, and vocalizes in shrill screeches.


Image Description
The Tongue Monster's gemstone is located at her nose.


New Gallery

Click to view the gallery for Tongue Monster.

ve Corrupted Gems

Centepeetle GemNav Wormmonster gemnav Obelisk gemstoneNAV Desertglas gemstoneNAV Gemcavecreature gemstoneNAV Latest-0 Heavenbeetle gemstoneNAV Earhbeetle gemstoneNAV Watermelontourmaline thumbnailNAV Icemonster gemNAV Invisiblegemmonster gemstoneNAV BlueLighthousegem Waterbear gemstoneNAV SlinkersGemNav Crabmonster gemstoneNAV BiggsJasperNavigation SMNav FusionTemplateJasperMonster NewJasperNAV UCGNav Historical Friction monster template picture

ve Characters in Steven Universe
Crystal Gems Half: Steven

Unfused: AmethystBismuthPearlPeridotRose QuartzRubySapphire
Gem Fusions: AlexandriteCluster GemsGarnetOpalRainbow QuartzSardonyxUnknown Fusion GemSugilite
Hybrid Fusions: Smoky QuartzStevonnie

Homeworld Gems Unfused: Blue DiamondBlue PearlHolly Blue AgatePink DiamondRuby (Army)Ruby (Doc)Ruby (Eyeball)Ruby (Leggy)Ruby (Navy)Yellow DiamondYellow Pearl

Fusions: MalachiteCorrupted Jasper Fusion
Corrupted: Jasper

Other Gems Corrupted: Big BirdCentipeetle MotherClock Tower GemCrab Gem MonsterDesert GlassEarth BeetleGem Cave CreatureGlass GhostHeaven BeetleIce MonsterInvisible Gem MonsterInvisible Manta RayJasperLighthouse Gem MonsterMolluskObeliskOld Book GemOrange Great North MonsterPyramid Temple GemThe Perils of PweepweePlant MonsterRainbow Cloud MonsterThe SlinkerSlug MonsterSnowbeastSnow MonsterWater BearWatermelon TourmalineWorm MonsterUnknown Bird Gem MonsterUnknown Giant BirdTongue Monster

Unaffiliated Gems: The ClusterLapis Lazuli
Other Gems: Minor Gem CharactersUnknown Gems

Major Characters Human: Connie MaheswaranGreg UniverseLarsSadie Miller

Other: Lion

Minor Characters Humans: Andy DeMayoBarbara MillerThe Best Diner in the World's WaitressBill DeweyBuck DeweyBuddy BuddwickDanteEmpire City Wildlife Rehabilitation Center EmployeeGreg's Aunt and UncleHarold SmileyJamieJaneJeffJenny PizzaKevinKiki PizzaKofi PizzaMartyMarty's RoadiesMayor Dewey's BodyguardsMarthaMr. FrymanDoug MaheswaranDr. Priyanka MaheswaranMike KrolMystery GirlNanefua PizzaOnionOnion's FriendsPeedee FrymanRickyRonaldo FrymanSour CreamQuentin FrowneySuitcase SamVidaliaWilliam Buford BuchananWilliam DeweyYellowtailZoomans

Other: Baby MelonBlue CrabButt LobsterHolo-PearlMagic MossMask Island FishOnion's SnakePumpkinRaccoonSteven Jr.Steven The ThirdSusanWatermelon Stevens
Fictional: AceAce's FatherCookie CatDogcopterFoxmanHopperHoppyRingoWind LizardLi'l ButlerMr. MoneyMrs. MoneyDaughter MoneyDirtbike Money
Rose's Room Creations: Cloud ConnieTiny Floating Whale

Antagonists CentipeetlesCrab MonstersCrystal ShrimpDrill ParasitesElectric SkullsFryboRed EyeRobot Shooty ThingSmoke MonsterVine Monsters
Alter Egos Chunk TruckConcrete HeatDashing Danny DooberHandsome Hank HackleschmidtLoch Ness BloggsterPurple PumaTiger Millionaire
Attack the Light Blue LightGreen LightIndigo LightOrange LightRed LightViolet LightWhite LightYellow Light

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