Ninja Boy (Trainer class)

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Ninja Boy
ニンジャごっこ Make-believe Ninja
ORAS Ninja Boy.png
Art from Omega Ruby and Alpha Sapphire
Other names
Introduced in Generation III
Appears in Ruby, Sapphire, Emerald, FireRed, and LeafGreen
Diamond, Pearl, Platinum, HeartGold, and SoulSilver
Omega Ruby and Alpha Sapphire
Gender Male
Counterpart {{{counterpart}}}
Notable members {{{members}}}
Anime debut [[]]
TCG debut Steam Siege
TCG card Ninja Boy
Manga debut {{{manga}}}

A Ninja Boy (Japanese: ニンジャごっこ Make-believe Ninja) is a type of Pokémon Trainer that debuted in the Generation III games. They appear as little boys dressed as ninjas. They conceal themselves in the landscape and ambush passing Trainers.

They specialize in a combination of Poison-type Pokémon, Nincada, and Ninjask.


Spr RS Ninja Boy.png Spr DP Ninja Boy.png VSNinja Boy.png
Sprite from
Ruby, Sapphire, and Emerald
Sprite from
Generation IV
VS portrait from
Omega Ruby and Alpha Sapphire
Ninja Boy RSE OD.png Ninja Boy tree RSE OD.png Ninja Boy mountain RSE OD.png Ninja Boy ashes RSE OD.png Ninja Boy OD.png Ninja Boy ORAS OD.png ORAS Ninja Boy Icon.png
Overworld sprite and disguises from
Ruby, Sapphire, and Emerald
Overworld sprite from
Generation IV
Overworld model from
Omega Ruby and Alpha Sapphire
Icon on the PSS from
Omega Ruby, Alpha Sapphire, and the PGL

Trainer list

Pokémon Ruby and Sapphire

See more: List of Battle Tower Trainers (Ruby and Sapphire)/Ninja Boy

Pokémon Emerald

See more: List of Battle Frontier Trainers (Generation III)/Ninja Boy

Pokémon Diamond and Pearl

See more: List of Battle Tower Trainers (Diamond and Pearl)/Ninja Boy

Pokémon Platinum

See more: List of Battle Frontier Trainers (Generation IV)/Ninja Boy

Pokémon Omega Ruby and Alpha Sapphire

In the manga

A Ninja Boy in Pokémon Adventures

Pokémon Adventures


Emerald chapter

In Verily Vanquishing Vileplume I, a Ninja Boy named Kinji/Lao (Japanese: キンジ Kinji) is seen battling Gentleman Walter in the Battle Dome in the Emerald chapter. While it is unknown who won, what is known is that Lao at some point lost a match, eliminating him from the tournament.

In Lemme at 'Em, Lapras! and Facing Gulpin Is Hard to Swallow, a virtual Ninja Boy using a Gulpin faces Brandon and his Mawile at the Battle Tower.

Diamond & Pearl chapter

In Magnificent Meditite & Really Riolu I, a Ninja Boy makes a cameo while the main characters visit Veilstone City. He was supposed to challenge Maylene but she mixed the Ninja Boy and his friends with the three main characters, due to the main characters possessing an item that made landing attacks easier she had heard the kids talking about.

The Ninja Boy and his friend appeared briefly in Stunning Staravia & Stinky Skuntank II.

Platinum chapter

The Ninja Boy from Magnificent Meditite & Really Riolu I is seen together with his friends, entering the Battle Frontier in Deprogramming Porygon-Z. However, he was quickly defeated at the Battle Castle.

In Clobbering Claydol, another Ninja Boy was briefly seen watching Looker on his jetpack.


Lao's Spinda
Spinda is Lao's only known Pokémon. It was seen battling Walter's Oddish in the Battle Dome.

Spinda's only known move is Dizzy Punch.

Debut Verily Vanquishing Vileplume I
Ninja Boy's Gulpin
Gulpin was used by a virtual Ninja Boy at the Battle Tower but was defeated by Noland.

None of Gulpin's moves are known.

Debut Lemme at 'Em, Lapras!

The Ninja Boy from Veilstone City has at least one Pokémon as he intended to challenge Maylene.

In the TCG

This listing is of cards mentioning or featuring Ninja Boy in the Pokémon Trading Card Game.

Related cards
Cards listed with a blue background are only legal to use in the current Expanded format.
Cards listed with a silver background are legal to use in both the current Standard and Expanded formats.
Card Type English
Rarity # Japanese
Rarity #
Ninja Boy Su Steam Siege Uncommon 103/114 Fever-Burst Fighter U 053/054
      Cruel Traitor U 053/054


  • Hoenn Ninja Boys have Asian name derivations, while Sinnoh Ninja Boys have European names. The same thing happens to Black Belts.

In other languages

Language Title
Chinese Cantonese 忍者小子 Yánjé Síují
Mandarin 忍者小子 Rěnzhě Xiǎozi
France Flag.png French Ninja Fan*
Ninja Amateur*
Germany Flag.png German Ninjajunge
Italy Flag.png Italian Ninja Boy
South Korea Flag.png Korean 닌자놀이 Ninja Nor'i
Brazil Flag.png Brazilian Portuguese Menino Ninja
Spain Flag.png Spanish Chico Ninja
Vietnam Flag.png Vietnamese Ninja học đòi

Trainer classes in the Pokémon core series
Johto Ace Trainer*BeautyBikerBird KeeperBlack Belt*BoarderBug CatcherBurglarCamper
ChampionExecutive*FirebreatherFisherman*GentlemanGuitaristHikerJugglerKimono GirlLass
LeaderMediumPicnickerPokéfanPoké Maniac*PKMN TrainerPoliceman*PsychicRivalSage
SailorSchool Kid*ScientistSkierSuper NerdSwimmerTeacherTeam Rocket Grunt*TwinsYoungster
Mystery ManCHGSS*
Double TeamHGSSElderHGSSPasserbyHGSSYoung CoupleHGSS
Battle Frontier only:HGSS

Aroma LadyArtistBattle GirlCameramanClownCollector
CowgirlCyclistDragon TamerIdolJoggerLadyNinja Boy
Parasol LadyPIPoké KidPKMN BreederPKMN Ranger
RancherReporterRich BoyRoughneckRuin ManiacSocialite
Arcade StarCastle ValetFactory HeadHall MatronTower Tycoon

Hoenn Ace Trainer*Aqua AdminSEASAqua LeaderSEASAroma LadyBattle GirlBeautyBird KeeperBlack Belt
Bug CatcherBug ManiacCamperChampionCollectorDragon TamerElite FourExpertFisherman
GentlemanGuitaristHex ManiacHikerInterviewersKindlerLadyLassLeaderMagma AdminREOR
Magma LeaderREORNinja BoyOld CoupleParasol LadyPicnickerPoké FanPoké ManiacPokémon Ranger
Pokémon TrainerPokémon BreederPsychicRich BoyRuin ManiacSailorSchoolkid*Sis & Bro*Swimmer
Team Aqua GruntSEASTeam Magma GruntREORTeammates*TriathleteTuberTwinsWinstrateYoung CoupleYoungster
Ace DuoORASBrains & BrawnORASBackpackerORASDelinquentORASFairy Tale GirlORASFare PrinceORASFree DiverORAS
LeadersORASLorekeeperORASMysterious SistersORASProprietorORASRotation GirlORASScuba DiverORAS
Secret Base ExpertORASSecret Base TrainerORASSootopolitanORASStreet ThugORAS
Battle Frontier only:E
Arena TycoonDome AceFactory HeadPalace MavenPike QueenPyramid KingSalon Maiden
Battle Institute and Battle Maison only:ORAS
ArtistBattle ChatelaineButlerChefFurisode GirlGarçonGardenerMadameMaidMonsieurOwnerPreschoolerPunk Girl
Punk GuyRising StarRoller SkaterSchoolboySchoolgirlScientistTouristVeteranWaitressWorker
Sinnoh Ace TrainerAroma LadyArtistBattle GirlBeautyBird KeeperBlack BeltBug CatcherCameramanCamperChampion
ClownCollectorCommanderCowgirlCyclistDouble TeamDragon TamerElite FourFisher*GentlemanGuitarist
Gym Leader*HikerIdolInterviewersJoggerLadyLassMadame*Ninja BoyParasol LadyPicnickerPIPoké Fan*
Poké KidPokémon BreederPokémon RangerPokémon TrainerPolice Officer*PsychicRancherRanchers*
ReporterRich BoyRoughneckRuin ManiacSailorSchool KidScientistSkierSwimmerTeam Galactic Boss*
Team Galactic Grunt*Tower TycoonTuberTwinsVeteranWaiterWaitressWorkerYoung CoupleYoungster
Arcade StarPtCastle ValetPtFactory HeadPtHall MatronPtMaidPtGAME FREAK'sBDSP

Project CharacterDex logo.png This Trainer Class article is part of Project CharacterDex, a Bulbapedia project that aims to write comprehensive articles on each character found in the Pokémon games.