Mewtwo (Detective Pikachu)

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ミュウツー Mewtwo
Mewtwo Detective Pikachu.png
Mewtwo in Detective Pikachu
Debuts in Detective Pikachu
Gender Unknown*
Ability Unknown
Current location Ryme City
This Pokémon is fully evolved.
Voice actor Japanese English
As Mewtwo 古谷徹 Tōru Furuya*
山寺宏一 Kōichi Yamadera*
木下紗華 Sayaka Kinoshita*
Chris Smith*
Rina Hoshino*
Kotaro Watanabe*

Mewtwo (Japanese: ミュウツー Mewtwo) is a major character who appears in the game Detective Pikachu, the movie of the same name, and the game's sequel Detective Pikachu Returns.

In the games

Spoiler warning: this article may contain major plot or ending details.

Prior to the events of Detective Pikachu, Mewtwo was following the R case, as it disliked its cells being abused by humans. It chanced upon Harry Goodman and his partner Pikachu after Keith Norman caused them to have a car accident, and Pikachu begged Mewtwo to save Harry's life. Observing the strong bond between Pikachu and Harry, Mewtwo agreed to save Harry on the condition that Pikachu retrieved its cells from the humans that were abusing them. Mewtwo placed Harry's consciousness into Pikachu's body, which—due to their strong bond—allowed both consciousnesses to coexist within the same body, forming Detective Pikachu. However, to preserve the balance between their consciousnesses, Pikachu and Harry both lost their memories, and Pikachu became unable to use moves. Mewtwo then placed Harry's body into a coma-like state that allowed his body to survive without need for food or water, appearing simply to be asleep, and brought the body back with it to its cave.

Detective Pikachu

Mewtwo appears on a few occasions throughout the game, watching Detective Pikachu's progress from afar. It is pleased to see Pikachu on the path to fulfill his promise. After Tim and Pikachu capture Keith Norman, Pikachu returns the cells he recovered from Keith to Mewtwo. However, Mewtwo senses that some of its cells are still out there, and it asks Pikachu to retrieve those cells as well. This leads Tim and Pikachu to discover that Keith had been receiving orders from someone else, and that other person is planning to disperse R during Ryme City's Pokémon Carnival.

After Tim and Pikachu successfully find and shut down all the R dispersing machines in the town's central plaza, Pikachu finally fulfills his promise of returning all the cells to Mewtwo. Pikachu then asks Mewtwo to uphold its end of the bargain now. The rest of the conversation is unseen, but Mewtwo does something to Pikachu that leaves him unconscious just before Tim arrives. Mewtwo tells Tim that Harry is still alive and Tim will find him one day if he doesn't give up, then flies away.

Detective Pikachu Returns

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Please feel free to edit this section to add missing information and complete it.

After Tim, Rachel, and Detective Pikachu return from the southern ruins, they see Mewtwo with Harry's body in tow being chased by a swarm of Beedrill. The group attempts to capture Mewtwo using Control Cubes, but Mewtwo blasts the cubes away with its psychic powers. However, they are able to obtain Harry's body.

Detective Pikachu reveals that, when it asked Mewtwo to uphold its end of the bargain at the end of the previous game, Mewtwo warned him that separating consciousnesses is a far riskier process than joining them, so the chance of survival would only about 50%. Pikachu was ready to take that risk, but Harry was hesitant to risk Pikachu's life. He asked Mewtwo to wait and see if Tim could figure out a safer way of separating them. Mewtwo warned him that, because Pikachu used a move earlier to protect Tim, the balance between Harry's consciousness and Pikachu's consciousness had been disrupted, so one of the consciousnesses was in danger of fading completely. Mewtwo could restore the balance between their consciousnesses, but this would cause Harry to forget the things he recently remembered. Harry consents, and Mewtwo removed his memories just before Tim arrived.

Voice actors

Language Voice actor
Japanese 古谷徹 Tōru Furuya
English Chris Smith

In the movie

Spoiler warning: this article may contain major plot or ending details.

Mewtwo was created by humans in the Kanto region 20 years in the past, but he managed to escape. Months before the events of the film, Harry Goodman was recruited by Howard Clifford to track down Mewtwo, which eventually led to his capture. Trapped in a spherical chamber, Mewtwo was used by Dr. Ann Laurent to produce the R substance, an aerosolized drug that can make Pokémon go on a rampage due to a unique element of Mewtwo's DNA. However, Mewtwo was freed by Harry and his partner Pikachu, making Mewtwo realize that not all humans are evil. When Harry's car crashed in an ambush, Mewtwo came to his rescue and combined a dying Harry into Pikachu's body but also erased his memory, creating Detective Pikachu as a result.

When Detective Pikachu was critically injured, a group of Bulbasaur brought Harry's son Tim, as well as Detective Pikachu, to Mewtwo's location, where he healed Pikachu. But before Mewtwo was able to fully reveal the secret of Harry's case, he was captured and taken away by Howard's men, apparently led by Howard's son Roger. When Tim arrived at Howard's office, he learned that Howard was trying to transfer his mind into Mewtwo, so that he could use Mewtwo's ability to transfer all humans' minds into their Pokémon. Mewtwo tried to warn Tim to run before his body was taken over.

After a long struggle, Tim was able to remove Howard's neural link and Mewtwo was freed. As Detective Pikachu was about to fall to his death, Mewtwo used his psychic powers to save him. He then reversed the disaster caused by Howard. Before taking his leave, Mewtwo revealed that Detective Pikachu was actually Tim's father Harry Goodman and unmerged Harry out of Pikachu's body.

Personality and characteristics

This Mewtwo is portrayed as a benevolent figure despite his mistrust of humans, much like both Mewtwo in the anime after their character development. While mostly viewed by Tim and Pikachu as a dangerous, malevolent figure prior to meeting him, Mewtwo is, in fact, a protector of both humans and Pokémon, able to use his abilities to save the lives of others as he watches over them.

This Mewtwo differs from previous depictions of the character in two ways. The first is that he possesses the unique ability to transfer the minds of humans into Pokémon. This ability could only be done when the receiving Pokémon are willing (as in the case of Detective Pikachu) or when they lose control of themselves (when drugged with the R substance). The second is that he speaks with an androgynous "fused" telepathic voice provided by a male and a female voice actor; despite this, unlike previous Mewtwo, which were almost always referred to with gender-neutral pronouns, he is referred to with male pronouns throughout the movie. However, when Howard's mind is transferred into Mewtwo, he speaks non-telepathically with Howard's voice.

Moves used

Mewtwo Shadow Ball Detective Pikachu.png
Using Shadow Ball
Move First Used In
Psychic Pokémon Detective Pikachu
Shadow Ball Pokémon Detective Pikachu
A shows that the move was used recently, unless all moves fit this case or there are fewer than five known moves.

Voice actors

  • Note: Mewtwo is voiced by both actors using a fusion effect.
Language Voice actor
Japanese 山寺宏一 Kōichi Yamadera
木下紗華 Sayaka Kinoshita
English Rina Hoshino
Kotaro Watanabe
Indonesian Fitra Hartono
Polish Tomasz Błasiak
Brazilian Portuguese Guilherme Briggs
Telma da Costa
European Spanish Emma Cifuentes
Pablo Irles


  • This incarnation of Mewtwo is the first one to speak normally (similar to Team Rocket's Meowth) rather than telepathically, albeit only when fused with Howard.
  • Mewtwo is the only Legendary Pokémon to appear in Pokémon: Detective Pikachu.

Related articles

For more information on this Pokémon's species, see Mewtwo.

Characters in the Detective Pikachu series
Detective Pikachu Tim GoodmanDetective PikachuEmilia ChristieMike BakerFrank HolidayAmanda BlackstoneMeiko OkamotoPablo MillanDorothy FisherFrederick HartfieldCarlos HernandoWallace CarrollRita PartridgeNina O'HaraEthan GrahamRoger CliffordJohn WaalsRose MiltonLouise MulliganMax WarholOlga EllisonHiro MorganBrad McMasterGino FarinaAlexander WildeSimon YenMilo GreenWalter EckhartKeith NormanCarina MitchellMewtwoHarry Goodman
Detective Pikachu Returns Tim GoodmanDetective PikachuHarry GoodmanIrene GoodmanSophia GoodmanRachel MyersHoward MyersEmma MyersWill ButlerFrank HolidayBrad McMasterSanjeev DenisClaudia DenisBrandon BarnesLarry TurnerPablo MillanJessica MillerCharles MerlochQuiz professorChris HonorTrevor GordonEmilia ChristieKeith NormanGrowlitheDarmanitanLuxrayPangoroMewtwo
Pokémon Detective Pikachu Tim GoodmanDetective PikachuLucy StevensLieutenant Hide YoshidaHoward CliffordRoger CliffordDr. Ann LaurentSebastianJackMewtwoHarry Goodman

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.