Samson Oak

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Professor Samson Oak
ナリヤ・オーキド Nariya Ōkido
Samson Oak SM.png
Official artwork from the Sun & Moon series
Gender Male
Eye color Black
Hair color White
Hometown Unknown
Region Alola
Relatives Professor Oak (cousin), Blue (cousin-twice-removed), Daisy (cousin-twice-removed)
Generation VII
Games Sun, Moon, Ultra Sun, and Ultra Moon
Anime debut Alola to New Adventure!
English voice actor Marc Thompson
Japanese voice actor Unshō Ishizuka

Samson Oak (Japanese: ナリヤ・オーキド Nariya Ōkido) is a Pokémon Professor in Alola. He studies the regional variants and Totem Pokémon of the region. He is a cousin of Professor Oak, with whom he shares a striking resemblance.

In the games

Pokémon Sun and Moon

Samson Oak is first seen in Malie City on Ula'ula Island in Sun and Moon, when the player's Rotom Pokédex recognizes him. He tells the player about his research on regional variants, and asks them to come meet him in the city's library. When the player meets him in the library, he talks about regional variants again, before requesting that the player show him the local variant Persian. Upon being shown an Alolan Persian, he explains why regional variants exist, and tells of his theory on why the Alolan Persian looks the way it does before giving the player a Love Ball. He also talks about his cousin in Kanto, who gave him a Kanto Pokédex which he uses to compare the Alolan variants of Pokémon native to Kanto to their regular form counterparts. Finally, he tells the player about how his cousin's grandson might come visit Alola someday because of the Z-Crystals Samson has sent him.

Samson is later met behind the Malie City Recycling Plant, where he explains why the Alolan Grimer is the way it is and gives the player a Friend Ball before leaving for Malie Library. The player may also encounter Samson inside the Geothermal Power Plant on Blush Mountain, where he will be standing in front of a photo of the Kalos Power Plant. Here he will tell the player about the hair of Alolan Diglett before handing the player a Lure Ball. He is also met behind the Pokémon Center atop Mount Hokulani, where he talks about Minior's different forms. Before going back to Malie Library again, he gives the player a Moon Ball.

Pokémon Ultra Sun and Ultra Moon

In Pokémon Ultra Sun and Ultra Moon, the player meets Samson earlier; before going to Big Wave Beach to Mantine Surf to Akala Island. In these games, Samson studies Totem Pokémon and will give the player Totem-like Pokémon at Heahea Beach after collecting a certain amount of Totem Stickers.


Malie City
"Why, hello there, Rotom! Are you feeling nice and comfy there in that Pokédex of yours?"
"Oh! Well, hello there. Good to meet you. I'm Oak—Samson Oak. I'm a Pokémon researcher, and I'm looking into the regional variants found around here."
"And you must be <player>, huh? Young Kukui mentioned you to me."
"Rotom, you be sure to help this fine young boy/girl on his/her trip around the islands, all right?"
"And you, <player>! I'll be trusting you to keep Rotom safe, as well! The young fellow from Kalos who helped invent that Pokédex put a lot of work into it. And as much love and care as any parent!"
"I'll be in the Malie Library if you ever need me. Feel free to stop by and chat anytime. If you're having trouble finding the library, just follow the black-brick road! Meaning the patterns on these paths, of course. Black circle, black triangle, black square. Follow that pattern and it'll get you there!"
Malie Library
"Alola, young <player>! Since you're out and about exploring on your island challenge, you must already know about regional variants, don't you?"
Yes: "Just as I would have expected!"
No: "Indeed? Maybe they are rarer than I thought..."
"Yes, regional variants... They arise when the influences of a particular region cause a Pokémon's physical aspect and even type to change."
"If you have caught one of the local Persians—the regional variants—I would quite like to see it!"
  • If the player has an Alolan Persian in their party
"Oh! That's a local Alolan Persian, all right! I've heard that having a round face can be considered quite cute here in Alola! Maybe that explains the Alolan regional variant? And since Persians are so smart even before they evolve, it may be that they use the extra energy born during Evolution to instead help strengthen and bulk up their bodies... How very fascinating and alluring! And since this regional variant Persian evolves only with high friendship, I know what kind of wonderful Trainer you must be, my young friend!"
"Thank you, <player>! Let me give you this in thanks!"
"Oh, that cousin of mine in Kanto... He and I look remarkably alike, or so everyone always says. He's Professor Oak, though. He actually is the one who gave me this Kanto region Pokédex that I carry with me now for comparison as I look into things here in Alola."
"Sam has a grandson, in fact, who is a pretty astounding Trainer himself. Boy's name is Blue. I actually sent him some Z-Crystals as well, so who knows? Maybe he'll come visit Alola, too, someday!"
"What! You met my grand-nephew Blue?! Well, if that doesn't just take the cake! It's like six degrees of Pokémon separation!"
Malie City Outer Cape
"Oh, hello! Hello! Alola!"
"Did you know that Alolan Grimer are in fact not native to the region at all, but instead are what we would call naturalized Pokémon? There is not so much sludge and pollution for Grimer to feed on here in Alola, though, so they have grown to feed on garbage instead. They do not give off a foul stench, thanks to the way they contain any poisons within their bodies, but their crystals are terribly poisonous!"
"Here! I've been wanting to give you this."
"I hope you'll try to complete your Pokédex. For Rotom's sake as well!"
Mount Hokulani
"Oh, hello! Hello! Alola!"
"You know, there's this Pokémon called Minior. It comes down from space like a shooting star. And the cores of these Minior seem to shine in a number of different colors! They don't seem to be regional variants, but it's an interesting phenomena nonetheless."
"Here! I've been wanting to give you this."
"I hope you'll try to complete your Pokédex. For Rotom's sake as well!"
Geothermal Power Plant
"Oh, hello! Hello! Alola!"
"Here in the Alola region, volcanic eruptions can result in long, thin strands of magma... They form strands of glass rather like hair! But the hair on the Diglett here is not glass, but rather whiskers of some metallic substance. They use them for communication and as a sort of sensor to investigate their surroundings."
"Here! I've been wanting to give you this."
"I hope you'll try to complete your Pokédex. For Rotom's sake as well!"


Samson Oak SM OD.png
Overworld model from Sun and Moon

In the anime

Samson Oak in the anime

Samson appeared in Alola to New Adventure!. He is the principal of the Pokémon School and enjoys making puns using the names of Pokémon (while usually doing a visual impression too). His cousin Professor Oak had assigned Ash and Delia to deliver a Egg to him which they did. When Delia returned home, Ash stayed behind after becoming a student at the school.

In Lillie's Egg-xhilarating Challenge!, he assigned the students to look after one of two Eggs, one of them being the Egg that Delia and Ash had brought with them. They chose the white colored Egg and he looked after the other Egg, which hatched into a Vulpix in Getting to Know You!.

In Racing to a Big Event!, he entered the Pokémon Pancake Race with Komala and won the race.

In Alola, Kanto!, he traveled to Kanto to visit Professor Oak, along with Ash, his classmates, and Professor Kukui.


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

This listing is of Samson's known Pokémon in the anime:

On hand

Samson Oak's Komala
In The Guardian's Challenge!, Samson Oak's Komala first appeared sleeping atop of a tree at the Pokémon School. It's usually seen ringing the Bronzong-themed bell at the School. In Racing to a Big Event!, it participated in the Pokémon Pancake Race with its Trainer and won.

None of Komala's moves are known.

Debut The Guardian's Challenge!
Voice actors
English Michael Liscio Jr.
Samson's Egg

Samson's Vulpix
Egg → Vulpix
In Alola to New Adventure!, Samson Oak received this Vulpix Egg from his cousin, Professor Oak, under the care of Ash. In Lillie's Egg-xhilarating Challenge!, Samson offered Ash and his classmates the opportunity to raise either this Egg or a white one. When the latter was chosen, Samson chose to raise the remaining Egg himself.

In Getting to Know You!, the Egg hatched into a Vulpix.

Vulpix's only known move is Ember.

Debut Getting to Know You!
Voice actors
English Suzy Myers

Given away

Lillie Egg.png

Pokémon competitions

Samson has competed in the following Pokémon competitions:

Voice actors

Language Voice actor
Japanese 石塚運昇 Unshō Ishizuka
English Marc Thompson
Danish Christian Damsgaard
Italian Claudio Moneta
Brazilian Portuguese Júlio Chaves
Spanish Latin America Daniel Abundis
Spain David García Vázquez

In the manga

In the Pokémon Adventures manga

Samson Oak in Pokémon Adventures

Samson Oak debuts in PASM04. He served as a judge at a tournament held at an Iki Town festival. During Moon's battle against Gladion, Moon was confused as to why Gladion wouldn't have his Porygon attack her newly-caught Alolan Grimer with Psybeam. Samson stepped in to tell Moon, who had only just recently arrived in Alola, about how regional variants can also have different types as well as appearances.


  • In the Japanese, Korean, and Chinese versions of the game, Samson's name is written in Western order (given name placed before family name), as opposed to his cousin, Professor Oak, whose name is written in East Asian order (family name before given name).
  • In Malie Library, Samson refers to Blue as his grand-nephew. However, the term "grandnephew" refers to the grandson of one's sibling, not to the grandson of one's cousin. Blue is actually Samson's first cousin twice-removed.


Language Name Origin
Japanese ナリヤ・オーキド Nariya Ōkido ナリヤ Nariya is from ナリヤラン nariyaran (bamboo orchid). Similar to オーキド・ユキナリ Yukinari Ōkido (Samuel Oak).
English, Dutch, European Portuguese Samson Oak Similar to Samuel Oak
French Raphaël Chen Similar to Samuel Chen (Samuel Oak)
German Heinrich Eich From Eich (Oak)
Italian Manuel Oak Similar to Samuel Oak
Spanish Gabriel Oak Similar to Samuel Oak
Korean 송호 오 Song-ho O Similar to 오용호 O Yong-ho (Samuel Oak)
Chinese (Mandarin) 成也・大木 Chéngyě Dàmù 成也 Chéngyě is from Japanese 成り也 nariya. Similar to 大木雪成 / 大木幸成 Dàmù Xuěchéng / Dàmù Xìngchéng (Samuel Oak).
Chinese (Cantonese) 成也・大木 Sìhngyáh Daaihmuhk 成也 Sìhngyáh is from Japanese 成り也 nariya. Similar to 大木雪成 Daaihmuhk Syutsìhng (Samuel Oak).
Brazilian Portuguese Gabriel Carvalho Similar to Samuel Carvalho (Samuel Oak)
Russian Самсон Оук Samson Ouk Transcription of English name

Related articles

OakElmBirchRowanJuniperJuniper Sr.SycamoreKukuiSamson

Non-player characters in the core series games
Alola Professor KukuiMomLillieNebbyHauRotomProfessor BurnetMolayneSamson OakRyukiMohn
Team SkullAether FoundationUltra Recon SquadTeam Rainbow Rocket
Trial CaptainsIsland KahunasElite FourName RaterJudgeMr. HyperGester

Anime characters
Protagonists Ash KetchumPikachuMistyTogeticBrockTracey SketchitMayMaxDawnPiplupIrisAxewCilanSerenaClemontBonnieDedenneLanaKiaweLillieSophoclesMallowRotom Pokédex
Rivals GaryRitchieHarrisonDrewHarleyMorrisonTysonSolidadPaulZoeyNandoKennyConwayBarryUrsulaTobiasTripBiancaBurgundyStephanGeorgiaCameronVirgilAlainAriaMietteTiernoShaunaTrevorNiniSawyerGladion
Antagonists JessieJamesMeowthWobbuffetGiovanniButchCassidyDr. NambaMatoriPierceDr. ZagerShellyArchieTabithaMaxieHunter JSaturnMarsJupiterCyrusCharonColressAldithGhetsisBarretLysandreXerosicCelosiaBryonyMableAlianaTuppZippRappFaba
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 motherHarper and SarahLusamineGladionRangoSimaMimoKiawe's grandfatherAbeMallow's brotherSophocles's parents
Supporting Officer JennyNurse JoyMagikarp salesmanTodd SnapCharles GoodshowCaseyLizaSakuraLanceStevenMr. SukizoRaoul ContestaVivian MeridianRobertScottLilian MeridianMarianRhondaCynthiaReggieAngieLookerLyraKhouryDon GeorgeAlderLukeFreddy O'MartianIngoEmmetJervisNAnthea and ConcordiaPorterAlexaSophieCosetteClembotSanpeiMairinDianthaGurkinnMonsieur PierrePalermoKeananMalvaSquishyZ2Samson OakHobbesNebbyWickeGym LeadersElite FourFrontier BrainsIsland KahunasMany temporary characters

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