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Underworld Mini Icon Underworld Army



Watchdog of the Underworld

Twinbellows the Ferocious (魔獣ツインベロス Majū Tsuinberosu, "Magical Beast Twinbellows") is a large, two-headed dog, debuting in the original Kid Icarus.

Acting as a watchdog to the Underworld Army, Twinbellows serves as the boss of Chapter 1.

Physical Appearance


Concept art of Twinbellows from Uprising.

In the original Kid Icarus, it appears as a large, bright red, two-headed dog with fire around its head and running along its back.

In Kid Icarus: Uprising, it appears as a two-headed dog like before, only now it is darker red with more flames engulfing its body. It has a large metal brace with a broken chain attached to its left paw, with similar-looking spiked collars around its necks. In addition, Twinbellows has a large bone structure protruding from its back, with funnel-like spouts that shoot flames running along its spine.


Kid Icarus

The Gatekeeper of the Underworld fortress. A devil dog with two heads. Its body is wrapped in fire, and spits out bullets of magma energy.

— Its Game Manual Description

Twinbellows is the Gatekeeper of the Underworld Fortress, guarding one of the three Sacred Caskets. Twinbellows travels slowly, spewing fireballs at Pit; these fireballs generally pass overhead and Pit's opening to attack is when Twinbellows is gearing up for another shot.

Hit Points Damage Hearts Score (Experience)
100 2 0 8000

Kid Icarus: Uprising

Chapter 1: The Return of Palutena

When the Underworld Army starts attacking That First Town, Pit is sent in to aid the humans.

After fighting off Underworld troops, Pit finally arrives at a large coliseum, where he must take on the Underworld's watchdog, Twinbellows. Once defeated, Twinbellows bursts into light, and its remains are teleported away.

Min Health Max Health
350 1750

Chapter 9: Medusa's Final Battle

A fake version of Twinbellows appears as one of the bosses of the chapter, created by Medusa.

Battle Style

In Uprising, Twinbellows will breathe a stream of fire at Pit, which can be avoided by moving to the beast's side. Twinbellows also shoots smaller fireballs at the player, which is more difficult to avoid in this manner, so dodging is best here.

Finally, Twinbellows will lunge, and launch itself at Pit. It will strike with its claws while lunging forward, and as it reaches the wall of the Colosseum, turn around and push itself off the wall to launch itself again. It will do this for a while, but eventually tire itself out and fall over, leaving itself open to any attacks. It seems that attacking either of Twinbellows's two heads will do more damage than normal.

Idol Description

Twinbellows the Ferocious

A two-headed dog (hence the name) that guards the Underworld. Medusa unleashes Twinbellows during an assault on a human city, using magic to super-size the bicephalous puppy. But, for Pit, the louder they bark, the harder they fall.

Trophy Information

Twinbellows is a flame-engulfed, demonic, doglike beast unleashed by Medusa during her attack on a human city. Its roar heralds a crimson fire that consumes everything in its path. If you hear both heads roaring, prepare yourself—this beast is definitely drawing near.



  • Twinbellows seems to be inspired by Orthrus, the double-headed guard dog owned by Geryon in Greek mythology.
  • The "twin" in Twinbellows's name refers to its two heads, while "bellows" likely carries a double-meaning, referring to both its mighty roar and overall fiery design (as a bellows is a device that delivers pressurized air to stoke a fire). The latter of these meanings is represented even further in Uprising by the newly added funnels on Twinbellows's back, which shoot out pressurized bursts of flames.

Enemies in the Kid Icarus series.
Kid Icarus EelEyeCommylooseDaphneEggplant WizardErinusGanewmedeGirinHewdrawHolerKeepahKeronKobilKomaytoMcgooMedusaMickMinosMoilaMonoeyeMonolithNettlerOctosPandoraPlutonPluton FlyReaperReapetteRokmanShemumShulmSnowmanSpecknoseSyrenTamamboTanatosTotemTrosTwinbellowsUranosZuree
Of Myths and Monsters BatBig ToeBusy BeeCyclops HopperCyclops SkullEggplant WizardFire SerpentFireballFuzz BallGlobeGruffGubbleKing KrabKomaytoLunusMercMinotaurMonolithOctusOrcosPuttPythagorasReaperShadow MaskSkull WingSlimeSnakeSpitball BlobSpunkySticky TalonStone GolemTotemWormser
Uprising Underworld Army

MonoeyeWave AnglerMedusaOctosKeronGyrazerShemumNettlerSkuttlerMikGanewmedeCrawlerTwinbellowsSyrenShripPorcuspineBelunkaHandoraCoralBoogityMonolithSplinSpecknoseCommylooseZurretShulmFire WyrmShildeenDark Lord GaolParamushThree-Headed HewdrawKomaytoDaphneStackjawMonomiknoseMinosMerenguyHewdraw HeadMega MusselGloomerangHewdraw RebornReaperReapetteShelboZureeOrneTortolunkEggplant WizardClubberskullGreat ReaperMagmooBlusterFort OinkGirinLeoxArminPandoraPetribomberSnongVakloomSinistewBrawny ClawsSnowmanFrozumPlutonZik & ZakBumbledropThanatosRemoblam & RemoblamlingCollinPhilTrailtailShootflyUnderworld GatekeeperIgniotSuit of SkuttlerTempura WizardErinusGuttlerAmazon PandoraCellular HandoraCellular BlusterCellular MonoeyeCellular KomaytoCellular IgniotCellular SinistewCellular SnongCellular SkuttlerCellular GyrazerCellular ShildeenHades's HeartHades

Space Pirates

Space PirateSpace Pirate SniperSpace Pirate Commando

Forces of Nature

Reset BombNutskiTrynamiteZertBladerDibble DopParashooterLurchthornPew PewPipUrgleHugwormToxiecapLethiniumJitterthugBoom StomperMahvaCragalancheBadootBumpety BombMudroneCacawSkreetleCaptain FlareMeebaMegontaForces of Nature GuardReset Bomb PodFlageClobblerArlonPhosphora


TribyteBlitQuoilJyokClaxisDohzPlixoKolmaTaklaxXonemeSioZaurumBagloRezdaZrinkAurum CoreRozNukleenBiotaAurum MonoeyeAurum MikAurum PipAurum Fire WyrmAurum SpecknoseAurum SkuttlerAurum UrgleAurum ShemumAurum GeneratorAurum BrainAurum Pyrrhon

Palutena's Army

CenturionCenturion KnightCenturion StrongarmJuggernautPit's BodyPalutena


Chaos KinShadow Pit


TreasurefishRare TreasurefishSoufleeMimicutieDark PitKrakenPhoenixChariot MasterSoul-Eating MonsterMagnusPseudo-PalutenaGreat Sacred Treasure

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