Rotom Pokédex (anime)

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Rotom Pokédex
ロトム図鑑 Rotom illustrated encyclopedia
Rotom Pokédex Normal Rotom.png
As a Rotom
Rotom Pokédex anime.png
Rotom Pokédex
Debuts in Loading the Dex!
Gender Genderless
Ability Unknown
Current location With Tapu Koko
This Pokémon is fully evolved.
Voice actor Japanese English
As Rotom Daisuke Namikawa Roger Callagy

The Rotom Pokédex (Japanese: ロトム図鑑 Rotom illustrated encyclopedia), commonly referred to simply as Rotom Dex (Japanese: ロトム Rotom), is a main Pokémon character in the anime and Ash's Pokédex in the Sun & Moon series.


An empty Rotom Pokédex

Rotom made its first appearance in Loading the Dex!, in which it entered Ash's empty Pokédex he had received earlier from Professor Kukui, turning itself into the Pokédex Rotom version (Japanese: ロトムポケデックスフォルム Rotom Pokédex Forme). After introducing itself to Ash, it followed him to the Pokémon School, where it met his classmates and Samson Oak. Later, it accompanied Ash and his friends during their fieldwork in a forest.

In Crystal-Clear Sleuthing!, Rotom was shown to be a big fan of the detective show Alolan Detective Laki and impersonated Laki throughout the episode. Upon finding out that Ash had lost his Electrium Z, Rotom decided solve the case. After learning about a camera crew that had been filming at the Pokémon School, it went to the Alola TV station, where it copied the video from one of the cameras and updated itself with a video camera function. Using its new function, Rotom concluded that Kiawe was the culprit, but was proven wrong by Lillie. It was then revealed that the Z-Crystal had been stuck inside Rotom's wig the whole time. At the end of the episode, Rotom offered to help Ash and Kiawe with their training by recording it.

In Getting the Band Back Together!, Rotom updated itself again with a voice sampling function by extracting data from DJ Leo's DJ equipment. It used this function in the next episode to give Ash's speech for him during the Visiting Day at the Pokémon School, but both ended up getting caught due to Rotom getting carried away.

In The Dex Can't Help It!, Rotom left the Pokédex after getting hit by Ash's Pikachu's electricity. Afterward, it was swapped with a Wash Rotom, whereupon it made multiple attempts to get back to the Pokédex. In the end, Rotom finally managed to return to Pokédex after getting hit by Pikachu's Thunderbolt again.

In A Mission of Ultra Urgency!, Rotom updated itself again with data about the Ultra Beasts. It was further updated to hold info about Poipole in Love at First Twirl!.

In SM098, Rotom interrupted the filming of Alolan Detective Laki having discovered an error in the plot. Rotom impresses the producer George Charanpino with its knowledge and was offered a role on the program. In the end, Rotom went back to Ash.

Personality and characteristics

Rotom Pokédex's detective cosplay

Rotom claims to be a self-learning Pokédex (similar to an A.I.) and has the ability to talk human language. It has a bad habit of getting up close and personal to the Pokémon in order to see if the information about it is true, only to annoy and get attacked by said Pokémon. It also updates itself whenever it meets a new Pokémon by taking pictures of it or when it finds something new about a Pokémon. As shown in Rising from the Ruins!, once Rotom Dex updates its photographic database and finds a way to describe the new Pokémon, the updated information then becomes available to download on various other Pokédexes. Rotom gets along with Ash and all his friends, but has shown an aversion to Sophocles's attempts to "study" it.

While inhabiting the Pokédex, Rotom does not appear to have combat functions, and is unable to use any moves. As shown in Crystal-Clear Sleuthing!, it can use its "arms" to extract data from other electronic devices and update itself with the device's function. Additionally, if it is upside down or sideways, it can recalibrate its screen to show the data the right side up. Rotom also uses the numbers on its screen to express the statistics, usually showing the percentage of something, for example, to show the likelihood of a Pokémon appearing nearby. As shown in Let Sleeping Pokémon Lie!, Rotom has a clear waterproof casing, allowing it to be used underwater.

Rotom also is a huge fan of the show Alolan Detective Laki. It likes to cosplay as the titular character Laki, wearing a wig modeled after his hairstyle of Laki, which Professor Kukui bought for it, to achieve this. It also looks up to Laki and even used his thought process in order to figure out how to deal with the fact that it had become frozen. However, Rotom tends to jump to conclusions with its deductions, such as in Crystal-Clear Sleuthing!, when it believed that Kiawe stole Ash's Electrium Z. This was also shown in Lulled to La-La Land!, when it accused Lillie of putting Ash and the rest of the group to sleep and draining their energy, causing Mallow to jump to her defense. In addition, it is known to state the obvious through its calculations. Rotom is prideful in expressing the information it helps to deliver. So much so that in SM098, it was revealed to have realised its goal of becoming the universe's greatest Pokédex.

In The Dex Can't Help It!, it is revealed that if Rotom takes too much of a shock, it will be forced out of the electronic it is inhabiting. As mentioned in the episode's Poké Problem, Rotom has spent so much time in its Pokédex form that it feels uncomfortable outside of it.


See also: List of Pokémon with form differences → Rotom
As a Wash Rotom As a Fan Rotom As a Mow Rotom As a Heat Rotom As a Frost Rotom
Rotom Pokédex Wash Rotom.png Rotom Pokédex Fan Rotom.png Rotom Pokédex Mow Rotom.png Rotom Pokédex Heat Rotom.png Rotom Pokédex Frost Rotom.png

Moves used

Frost Rotom

Rotom Pokédex Blizzard.png
Using Blizzard
Move First Used In
Blizzard The Dex Can't Help It!
A shows that the move was used recently, unless all moves fit this case or there are fewer than five known moves.

Wash Rotom

Rotom Pokédex Hydro Pump.png
Using Hydro Pump
Move First Used In
Hydro Pump The Dex Can't Help It!
A shows that the move was used recently, unless all moves fit this case or there are fewer than five known moves.

Voice actors

Language Voice actor
Japanese 浪川大輔 Daisuke Namikawa
English Roger Callagy
Mandarin Chinese 林美秀 Lín Měixiù (Before entering Pokédex)
于正昇 Yú Zhèngshēng (Rotom Pokédex)
Danish Malte Milner Find
Finnish Markus Niemi
Greek Μελίνα Κατσακούλη Melina Katsakouli
Italian Stefano Pozzi
Polish Maksymilian Michasiów
Romanian Cristi Neacșu
Russian Прохор Чеховской Prohor Chehovskoy
Spanish Latin America Rolando de la Fuente
Spain Javier Balas
Turkish Gökhan Şimşek

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Anime characters
Protagonists Ash KetchumPikachuMistyTogeticBrockTracey SketchitMayMaxDawnPiplupIrisAxewCilanSerenaClemontBonnieDedenneLanaKiaweLillieSophoclesMallowRotom Pokédex
Rivals GaryRitchieHarrisonDrewHarleyMorrisonTysonSolidadPaulZoeyNandoKennyConwayBarryUrsulaTobiasTripBiancaBurgundyStephanGeorgiaCameronVirgilAlainAriaMietteTiernoShaunaTrevorNiniSawyerGladion
Antagonists JessieJamesMeowthWobbuffetGiovanniButchCassidyDr. NambaMatoriPierceDr. ZagerGozuShellyArchieTabithaMaxieHunter JSaturnMarsJupiterCyrusCharonColressAldithGhetsisBarretLysandreXerosicCelosiaBryonyMableAlianaTuppZippRappViren
Professors Professor OakProfessor IvyProfessor ElmProfessor BirchProfessor RowanProfessor CarolinaProfessor JuniperCedric JuniperDr. FennelProfessor SycamoreProfessor KukuiProfessor Burnet
Relatives Delia KetchumFlintLolaForrestBrock's siblingsDaisyVioletLilyJames's parentsNanny and Pop-PopNormanCarolineJohannaChiliCressGraceMeyerLana's fatherLana's motherHarper and SarahLusamineGladionRangoSimaMimoKiawe's grandfatherAbeUluSophocles's parentsMolayne
Supporting Officer JennyNurse JoyMagikarp salesmanJigglypuffTodd SnapCharles GoodshowCaseyLizaSakuraLanceStevenMr. SukizoRaoul ContestaVivian MeridianRobertScottLilian MeridianMarianRhondaCynthiaReggieAngieLookerLyraKhouryDon GeorgeAlderLukeFreddy O'MartianIngoEmmetMeloettaJervisNAnthea and ConcordiaPorterAlexaSophieCosetteClembotSanpeiMairinDianthaGurkinnMonsieur PierrePalermoKeananMalvaSquishyZ2BewearSamson OakAnelaHobbesNinaLakiNebbyFabaWickeIlimaAcerolaDiaGym LeadersElite FourFrontier BrainsIsland KahunasMany temporary characters

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