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ラムダ Lambda
HeartGold SoulSilver Petrel.png
Art from HeartGold and SoulSilver by Takao Unno.[1]
Gender Male
Eye color Black
Hair color Purple
Hometown Unknown
Region Johto
Trainer class Executive
Generation II, IV
Games Gold, Silver, Crystal, HeartGold, SoulSilver, Masters EX
Member of Team Rocket
Rank Executive
Game animation debut The Lake of Rage
English voice actor Todd Haberkorn[2] (Masters EX)
Japanese voice actor Taichi Takeda (Masters EX)

Petrel (Japanese: ラムダ Lambda) is one of the four Team Rocket Executives introduced in Pokémon Gold and Silver. At that time, all three male Executives were not easily distinguishable, and Petrel was not given a name and visual design to distinguish him from Archer and Proton until Pokémon HeartGold and SoulSilver.

In the core series

In Pokémon HeartGold and SoulSilver, Petrel is apparently Team Rocket's master of disguise. He is first seen dressing as Giovanni and then battled in the Team Rocket HQ. After this, a Murkrow will imitate Petrel's voice to allow the player to progress. In Goldenrod Radio Tower, he uses his disguise skills again, this time dressed as the Radio Tower Director.

Petrel's motives on Team Rocket are more mild-mannered, as he freely gives out information such as passwords and the location of the Director. He even considers himself a "nice guy" and hands over the Basement Key. Though he believes that the player can't use the information, it is his giving out of this information that leads to many of Team Rocket's defeats.

In Pokémon Gold and Silver, Petrel served in much the same role, although he did not disguise himself as Giovanni and he did not have a name or visual design to distinguish him from the other male Executives.


Pokémon Gold, Silver, and Crystal

First battle

Second battle

Pokémon HeartGold and SoulSilver

First battle

Second battle

In spin-off games

Pokémon Masters EX

Petrel appears as an NPC in Pokémon Masters EX and first appears in the Johto: Team Rocket's Revival chapter of the Villain Arc and the villain event Rocket Execs Assemble. He forms a sync pair with Weezing.



In the core series

Spr GS Rocket Executive M.png

Spr HGSS Petrel.png VSPetrel.png
Sprite from
Generation II
Sprite from
HeartGold and SoulSilver
VS sprite from
HeartGold and SoulSilver
Rocket Grunt M II OD.png Petrel OD.png Gentleman II OD.png Giovanni IV OD.png Gentleman HGSS OD.png
Overworld sprite from
Generation II
Overworld sprite from
HeartGold and SoulSilver
Overworld sprite, disguised as the Radio Director, from
Generation II
Overworld sprite, disguised as Giovanni, from
HeartGold and SoulSilver
Overworld sprite, disguised as the Radio Director, from
HeartGold and SoulSilver

In other games

Spr Masters Petrel.png VSPetrel Masters.png
Model from
Masters EX
VS model from
Masters EX


Main article: Petrel/Quotes

In the anime

Pokémon Generations

This article is missing information on this character's English voice actor.
You can help by adding this information.

Petrel appeared in The Lake of Rage. He confronted Lance during his and Ethan's infiltration of the Team Rocket HQ, and attempted to stop the former Champion. However, his Weezing was easily defeated by Dragonite. After being backed into a corner, Petrel was finished off by a group of recently-rescued Electrode.


Petrel's Weezing
Petrel used his Weezing to battle Lance's Dragonite, but it was easily defeated by Dragonite's Thunderbolt.

Weezing's only known move is Poison Gas.

Debut The Lake of Rage

Voice actors

Language Voice actor
Japanese 高木渉 Wataru Takagi
English Unknown
European Spanish Miquel Roldán

In the manga

Pokémon Adventures

Petrel in Pokémon Adventures

Petrel appears alongside the other three Executives. He, along with his teammates, take control of Team Rocket from Carr, saying that they will stay true to Giovanni's intentions. In this series, Petrel is a master of disguise, and has the ability to quickly disguise himself as any person he has met.

Petrel uses his Koffing to attack Silver and Clair at the Dragon's Den, but loses and has his Plate stolen. Later, he attacks Silver and Eusine at the Johto Safari Zone to recover the Plate he lost. Using his Pokémon, Petrel gains an advantage over the two and nearly sends them off a bridge. However, Silver manages to rise up from the water, defeat Petrel, and take the two Plates he had with him. Using his disguise skills, Petrel manages to escape from Silver's grasp.

Later, he joins his teammates to finish their plan to capture the Mythical Pokémon Arceus. They arrive at the Ruins of Alph and witness Gold battling Arceus. After Arceus sends them all to the Sinjoh Ruins, the Executives restrain Arceus and force it onto the Mystri Stage.

Using its great powers, they force Arceus to create the Legendary Pokémon Dialga, Palkia, and Giratina. While Archer, Ariana, and Proton start tearing up at the thought of pleasing Giovanni, Petrel reveals to Silver that he knows that he is the son of their boss. He reveals to Silver that he intends to betray his teammates by lying to Giovanni by telling him that Archer, Proton, and Ariana attacked Silver. With this information, Giovanni would destroy the three while Petrel would become Team Rocket's second-in-command for acting like he was protecting Silver.

Despite being blinded by Petrel's Golbat, Silver manages to escape his grasp and fly to where Dialga, Palkia, and Giratina and still being created. Using himself as a distraction, Silver manages to stall the Executives long enough for Gold and Crystal to destroy the Pokémon Arceus was forced to create. Now freed from their control, Arceus uses its powers to send Petrel and his teammates flying.

As Archer begins to lose his mind, Petrel becomes scared and decides to escape. Knowing that his teammates would stop him if he appeared as himself, Petrel decides to disguise himself as Giovanni so that he can walk freely. Before his plan can be executed, the real Giovanni arrives and stops him.

After the battle with Arceus had ended, Petrel attempted to escape once more by disguising himself as Bugsy. Gold quickly notices him, and Lance captures Petrel by having his Dragonite lift him up in the air. When Gold asks how a coward like Petrel could defeat him, Lance reveals that it was because Petrel disguised himself as a Trainer with the same powers and birthplace as him.


Petrel's Koffing (multiple)
Koffing (multiple)
Petrel owns many Koffing that he relies on for battling his enemies. They were first used to attack Silver and Clair at the Whirl Islands. Silver managed to defeat them and take the Plate one was holding. Later, they were used to stop Silver from reaching the Pokémon Arceus was creating.

None of Koffing's moves are known.

Debut Dealing With A Koffing Fit
Petrel's Raticate
Raticate was first used to battle Silver at the Johto Safari Zone. Using its powerful jaws, Raticate nearly sent Silver and Eusine falling off a bridge. Later, it was used to stop Silver from reaching the Pokémon Arceus was creating.

Raticate's only known moves is Hyper Fang.

Debut Weavile Wobbles But It Won't Fall Down
Petrel's Golbat
Golbat is Petrel's mode of flight transportation. It was first used to battle Silver at the Johto Safari Zone. Later, it restrained Arceus and pulled it into the Mystri Stage. Petrel later used it to blind Silver by licking it with its long tongue, blinding his eyes and paralyzing his throat with its venom.

Golbat's known moves are Air Cutter and Lick*.

Debut Fortunately for Feraligatr

Pocket Monsters HGSS Jō's Big Adventure

Petrel appears in Pocket Monsters HGSS Jō's Big Adventure, where he meets in the Lake of Rage and has a Tag Battle with him and Lance. Later, he is seen in Team Rocket's hideout, watching Jō battle the grunts.


Petrel's Raticate
Petrel sent out Raticate along with Ariana's Gloom in a Tag Battle against and Lance. It was beaten by Dragonite's Twister.

None of Raticate's moves are known.

Debut Jō VS Team Rocket

In the TCG

This listing is of cards mentioning or featuring Petrel 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 #
Team Rocket's Trickery Su Undaunted Uncommon 78/90 Reviving Legends Uncommon 076/080
      Tyranitar Constructed Standard Deck   018/019


Language Name Origin
Japanese ラムダ Lambda From Lambda, a series of Japanese carrier rockets
English, Spanish Petrel From Petrel, a British sounding rocket
German, French, Vietnamese Lambda From his Japanese name
Italian Maxus From Maxus, a Swedish-European joint venture sounding rocket
Korean 람다 Lambda From his Japanese name
Chinese (Mandarin) 拉姆達 / 拉姆达 Lāmǔdá Transcription of his Japanese name
Chinese (Cantonese) 拉姆達 Lāaimóuhdaaht Mandarin-based transcription of his Japanese name

Related articles


Members of Team Rocket

Giovanni (animeAdventuresPocket MonstersMasters)
Madame Boss (anime only) • Masked Man (Adventures only)


ArcherArianaPetrelProtonGrey (Golden Boys only)
Adventures only: CarlShamWill (former) • Karen (former)


Jessie (Masters), James (Masters), & Meowth (JJM)
Koga, Lt. Surge, & Sabrina (Triad) (Adventures only; former)
Ken, Al, & Harry (TRET) (Adventures only)
Carr, Sird (former), & Orm (T3B) (Adventures only)


Anime only: Butch & Cassidy (former) • Attila & HunAnnie & Oakley (dub only)


Anime only: Dr. FujiDr. NambaSebastianDr. Zager
Adventures only: Blaine (former)


GruntsRocket BrothersRBYFRLG/Rocket SistersPE
Anime only: DominoIron-Masked MarauderRocket ScoutWendy
TysonJubeiViperChristopher (former) • MatoriPierceGozu
Radio drama only: MiyamotoMondo
How I Became a Pokémon Card only: Kaede

Characters appearing in Pokémon Masters EX
Pasio ScottieBettieLearRachelSawyer
Kanto BrockMistyLt. SurgeErikaBlaineLoreleiBrunoAgathaJanineKogaBlueGiovanniLeafLanceProfessor OakRedSabrinaJessieJamesAsh
Johto KrisBugsyWhitneyPryceClairWillKarenLyraEthanSilverJasmineMortyFalknerEusine
Hoenn BrendanRoxanneBrawlyFlanneryNormanWinonaTateLizaPhoebeDrakeNolandGlaciaZinniaStevenWallaceWallyLucyLisiaMayMaxieArchieSidneyCourtney
Sinnoh BarryRoarkGardeniaMayleneCrasher WakeCandiceFlintThortonCherylMarleyCynthiaFantinaDawnCyrusVolknerDarachLucasAaronBerthaLucianLookerAdamanIrida
Unova RosaClaySkylaBrycenIrisRoxieMarlonShauntalMarshalCherenHilbertHildaElesaCaitlinGrimsleyBurghAlderNateBiancaNGhetsisIngoEmmetHughColress
Kalos GrantKorrinaRamosWulfricSieboldWikstromViolaCalemValerieClemontSerenaLysandreProfessor SycamoreDianthaEvelynNitaHelenaKaliShaunaEmma
Alola HauSophoclesMinaOliviaHapuKahiliNanuAcerolaKukuiPlumeriaGuzmaLusamineGladionLillieMolayneMallowSeleneElioLanaKiaweHalaThe Masked RoyalNaomiAnabel
Galar GloriaPiersLeonMarnieRaihanNessaBeaHopAllisterSoniaBedeGordieMelonyVictorBall Guy
NPCs PauloProfessor BellisTristaTriciaTrinniaTina
MeowthRyukiTabithaMattShellyMarsJupiterSaturnCilanChiliCressArcherArianaPetrelProtonChuckTiernoTrevorMalvaDrasnaFabaTeam Break
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