レイ Lei
Gender Male
Eye color Yellow
Hair color Light Brown
Hometown Hau'oli Outskirts
Region Alola
Relatives Professor Kukui (father)
Professor Burnet (mother)
Unnamed paternal grandparents
Anime debut That New Old Gang of Mine!
English voice actor Unknown
Japanese voice actor Unknown

Lei (Japanese: レイ Lei) is a recurring character who first appears in Pokémon Journeys: The Series. He is the baby son of Professor Kukui and Professor Burnet.


Lei and his family

Pokémon the Series: Sun & Moon

In the end credits of Thank You, Alola! The Journey Continues!, it was revealed that Burnet was pregnant.

Pokémon Journeys: The Series

Lei debuted in That New Old Gang of Mine!, where he met Ash, Goh, and Pikachu.

In Helping the Hometown Hero!, Lei attended a party celebrating Mohn's return to Alola, reuniting with Ash and Goh, and meeting Chloe. The next day, Burnet took him with her to watch a Battle Royal between Ash, Kukui, Gladion, and Kiawe.

In Paring Pokémon While Parrying! and Partners in Time!, Lei was seen watching Ash's Masters Eight Tournament match against Leon at the Pokémon School.

Personality and characteristics

Lei meeting Ash for the first time

Lei is shown to be very energetic and happy. Although he met Ash for the first time, he immediately took a liking to him as a big brother. In Helping the Hometown Hero!, Lei is shown to have a fondness for imitation, imitating Ash's excitement when he heard about the upcoming Battle Royal and the Masked Royal pose.


Living with

Ash left the remainder of his Alolan party with Kukui and Burnet in Thank You, Alola! The Journey Continues! as he set out to travel the world, and Lei therefore lives with them at his house.

Rockruff → Lycanroc


  • Lei is the first human character to have been born during the course of the anime.
  • Lei is referred to as a girl in the Latin American dub.


Language Name Origin
Japanese レイ Lei From lei (Hawaiian for "floral garland" and figurative term for "beloved child")
English, Brazilian Portuguese Lei Same as his Japanese name
Italian Keiki From keiki (Hawaiian for child)
Korean 레이 Rei Transcription of his Japanese name
Chinese (Mandarin) 雷伊 Léiyī Transcription of his Japanese name
Thai เรย์ Re Transcription of his Japanese name

Anime characters
Protagonists Ash Ketchum (Pikachu) • Misty (Togetic) • BrockTracey SketchitMayMaxDawn (Piplup) • Iris (Haxorus) • CilanSerenaClemontBonnie (Dedenne) • LanaKiaweLillieSophoclesMallowRotom PokédexGoh (Grookey)
Rivals GaryRitchieHarrisonDrewHarleyMorrisonTysonSolidadPaulNandoZoeyKennyConwayBarryUrsulaTripBiancaBurgundyStephanGeorgiaCameronAriaAlainMietteTiernoShaunaTrevorNiniSawyerGladionHoracioHauLeonRaihanHoraceBeaLeague Conference participantsCoordinatorsPerformersWorld Coronation Series participants
Antagonists Jessie (Wobbuffet) • JamesMeowthGiovanniButchCassidyDr. NambaMatoriPierceDr. ZagerGozuTabithaMaxieShellyArchieHunter JSaturnCyrusMarsJupiterCharonColressAldithGhetsisBarretMalamarLysandreMableCelosiaAlianaXerosicBryonyTuppZippRappPlumeriaGuzmaVirenRoseOleana
Professors Professor OakProfessor IvyProfessor ElmProfessor BirchProfessor RowanProfessor CarolinaProfessor JuniperDr. FennelCedric JuniperProfessor SycamoreProfessor KukuiProfessor BurnetProfessor CeriseProfessor MagnoliaSoniaProfessor Amaranth
Relatives Delia KetchumDaisyVioletLilyJames's parentsFlintLolaForrestBrock's siblingsNormanCarolineJohannaChiliCressGraceMeyerLana's fatherLana's motherHarper and SarahRangoSimaMimoKiawe's grandfatherMohnLusamineGladionSophocles's parentsMolayneAbeMallow's motherUluWalkerCamilleHalta
Supporting Officer JennyNurse JoyMagikarp salesmanTodd SnapCharles GoodshowCaseyLizaSakuraLanceClairRaoul ContestaMr. SukizoSteven StoneVivian MeridianRobertScottLilian MeridianSolanaBrandonMarianYuzoRhondaCynthiaReggieAngieLookerIzzy and CaraLyraKhouryTobiasDon GeorgeElderAlderLukeFreddy O'MartianIngoEmmetJervisVirgilNAnthea and ConcordiaPorterAlexaSophieCosetteClembotSanpeiMairinAstridDianthaKorrinaGurkinnMonsieur PierrePalermoKeananMalvaSamson OakAnelaHobbesNinaAnnaLakiDanaYansuWickeFabaIlimaAcerolaDiaChloeChrysaRenParkerTaliaLeiDanikaQuillonHopGym LeadersElite FourFrontier BrainsIsland kahunasMany temporary characters
Supporting Pokémon FearowHo-OhSquirtle SquadPink ButterfreeHaunterJigglypuffMewtwoMimeyLapras herdGranbullPichu BrothersLugiaSilverDelibirdWynautLarvitarKyogre and GroudonArticunoDeoxysLake guardiansForces of NatureMeloettaReshiramSuper-ancient PokémonWooperFlorgesSquishyZ2Guardian deitiesBewearToucannon's flockStoutlandOranguruNebbyStuffulUltra BeastsGrandpa ForestNecrozmaLunalaShayminMewRotom PhonesPelipperThievul trioEternatusDrone RotomLegendary heroesLatiasRecurring wild Pokémon
See also: Pokémon Horizons characters

  This episode article is part of Project Anime, a Bulbapedia project that covers all aspects of the Pokémon anime.