James (Masters)

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コジロウ Kojirō
Spr Masters James.png
James's model
No. 104
English voice actor Carter Cathcart
Japanese voice actor Shin-ichiro Miki
Description This member of Team Rocket extends his reach to the stars above, working day and night with Jessie and Meowth to make the dreams of their boss, Giovanni a reality.

James (Japanese: コジロウ Kojirō) is a Pokémon Trainer in Pokémon Masters EX, based on the character of the same name in the anime, who later went on to make appearances in the core series games. He forms a sync pair with Weezing. The sync pair could be obtained during the limited-time event, Blasting Off Again, and was first made available on September 17, 2020.


Masters110.png Type PoisonIC Masters.png Poison
Move type PoisonIC Masters.png Poison
Role Tech
Base Potential ★★★
Weezing Weakness PsychicIC Masters.png Psychic
Weezing loves the gases given off by rotted kitchen garbage. This Pokémon will find a dirty, unkempt house and make it its home. At night, when the people in the house are asleep, it will go through the trash.
Stats HP Attack Defense Sp. Atk Sp. Def Speed
Lv. 140, Base Potential 458 165 235 275 188 226
Lv. 140, Max Potential 578 225 295 335 248 286
Lv. 140, Base Potential
Lv. 140, Max Potential


Name Type Category Move gauge Base Power Max Power Accuracy Target Description
Sludge Poison
PoisonIC Masters.png
Special 2 42 50 100% An opponent Has a chance (30%) of leaving the target poisoned.
X Defense None Status 0 (2 uses) Self Raises the user's Defense by two stat ranks.
Poison Gas Poison
PoisonIC Masters.png
Status 2 90% All opponents Leaves the target poisoned.
Prepare to Fight! None Status 0 (2 uses) Self Restores the user's HP by approximately 40% of its maximum HP. Raises the user's Sp. Def by two stat ranks.
Sync moves
Make It Double Sludge Poison
PoisonIC Masters.png
Special 200 240 An opponent This move's power increases when the target is poisoned or badly poisoned.


Name Description
Passive Skills
Last Word The user uses Explosion immediately before fainting.
Theme Skills
Poison Tech Raises allies' Attack and Sp. Atk by 12 when using Poison-type attacks.
Raises the maximum HP of all allied sync pairs by 12.
Kanto Tech Raises the Attack and Sp. Atk of all allied sync pairs by 1.
Raises the maximum HP of all allied sync pairs by 1.
Villain Tech Raises the Attack and Sp. Atk of all allied sync pairs by 1.
Raises the maximum HP of all allied sync pairs by 1.
Team Rocket Forever Tech Raises the Attack and Sp. Atk of all allied sync pairs by 2.
Raises the maximum HP of all allied sync pairs by 2.
Expedition Skills
Rare ↑ 2 Fiery ↓ 2 Raises the following discovery level by 2:
  • Rare Cache

Lowers the following discovery level by 2:

  • Fiery Crystal

Sync Grid

The sync grid for James and Weezing is a basic grid which has not yet been expanded.

Name Effect Energy required Sync orb required Move level required
HP +10 HP +10 0 5 1
Defense +5 Defense +5 0 5 1
Sp. Atk +5 Sp. Atk +5 0 5 1
Sp. Atk +5 Sp. Atk +5 0 5 1
Sp. Def +5 Sp. Def +5 0 5 1
Speed +5 Speed +5 0 5 1


James was first available in the Blasting Off Again Special event from September 17, 2020, to January 25, 2021.

James and Weezing can be battled against in:

  • Event: Blasting Off Again

Sync Pair Stories

  • Team Rocket On the Move!
  • Prepare for Fireworks!
  • Extend Our Plot to the Stars Above!


Main article: Team Rocket trio/Quotes → James


VSJames Masters.png Jessie Mindscape.png
VS model from
Pokémon Masters EX
James's sync move mindscape
(Team Rocket logo)
James Emote 1 Masters.png James Emote 2 Masters.png James Emote 3 Masters.png James Emote 4 Masters.png
Trainer emote
Trainer emote
Watch out!
Trainer emote
Let's do this!
Trainer emote


  • James is one of the few characters in Pokémon Masters EX who shares his English and Japanese voice actors with his main series anime counterpart.
  • Upon reaching his maximum level, James breaks the fourth wall by saying, "Nothing can stop us now! Not even the writers!"
  • James is one of the few sync pairs with less than seven dialogues in the Pokémon Center, with only three.


James's design is based on his appearance in the anime, as well as in Pokémon Yellow, Let's Go, Pikachu!, and Let's Go, Eevee!. During the original series of the anime, Weezing served as James's signature Pokémon. Weezing's Dex entry comes from Pokémon Ruby.

In other languages

Prepare to Fight!

Language Title
Japan Flag.png Japanese 不屈の闘志! Fukutsu no Tōshi!
Mandarin Chinese 不屈不撓的鬥志! Bùqū-Bùnáo de Dòuzhì!
France Flag.png French Jamais découragés !
Germany Flag.png German Mich erschüttert nichts!
Italy Flag.png Italian Una volontà indomabile!
South Korea Flag.png Korean 불굴의투지! Bulgur-ui Tuji!
Spain Flag.png Spanish Alma indomable

Make It Double Sludge

Language Title
Japan Flag.png Japanese ラブリーチャーミーな ヘドロこうげき Raburī Chāmī na Hedoro Kōgeki
Mandarin Chinese 可愛又迷人之 污泥攻擊 Kě'ài yòu Mírén zhī Wūní Gōngjí
France Flag.png French Jusqu'à la voie lactée ! Détritus !
Germany Flag.png German Schlammbad der Machtbesessenheit
Italy Flag.png Italian Fango esteso fino alle stelle
South Korea Flag.png Korean 포켓몬의 감초, 귀염둥이 악당의 오물공격 Pokémon-ui Gamcho, Gwiyeomdung-i Akdang-ui Omul Gonggyeok
Spain Flag.png Spanish Lodo de más Allá del Espacio Exterior

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 KrisBugsyWhitneyPryceClairWillKarenLyraEthanSilverJasmineMortyFalkner
Hoenn BrendanRoxanneBrawlyFlanneryNormanWinonaTateLizaPhoebeDrakeNolandGlaciaZinniaStevenWallaceWallyLucyLisiaMayMaxieArchieSidneyCourtney
Sinnoh BarryRoarkGardeniaMayleneCrasher WakeCandiceFlintThortonCherylMarleyCynthiaFantinaDawnCyrusVolknerDarachLucasAaronBerthaLucianLooker
Unova RosaClaySkylaBrycenIrisRoxieMarlonShauntalMarshalCherenHilbertHildaElesaCaitlinGrimsleyBurghAlderNateBiancaNGhetsisIngoEmmet
Kalos GrantKorrinaRamosWulfricSieboldWikstromViolaCalemValerieClemontSerenaLysandreProfessor SycamoreDianthaEvelynNitaHelena
Alola HauSophoclesMinaOliviaHapuKahiliNanuAcerolaKukuiPlumeriaGuzmaLusamineGladionLillieMolayneMallowSeleneElioLanaKiaweHalaThe Masked RoyalNaomi
Galar GloriaPiersLeonMarnieRaihanNessaBeaHopAllisterSoniaBedeGordieMelonyVictor
NPCs PauloProfessor BellisTristaTriciaTrinniaTina
MeowthRyukiTabithaMattShellyMarsJupiterSaturnCilanChiliCressArcherArianaPetrelProtonHughChuckColressTeam Break

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