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If you were looking for the other character of the day whose Japanese name is Hiroki, see Hamilton.

Hiroki (Japanese: ヒロキ Hiroki) is a recurring character who appeared in the Pokémon anime. He is a student at the Pokémon School on Melemele Island.


Hiroki debuted in A Guardian Rematch!, where he was seen having a battle against Ash and his Rockruff. He was soon defeated.

In Alola, Kanto!, Hiroki was seen heading to Kanto on the same plane as Ash and his classmates.

Hiroki was one of the Trainers that had his Z-Crystal stolen by a Pheromosa, as revealed in a flashback in Beauty is Only Crystal Deep!.

In Battle Royal 151!, Hiroki was among the 151 Trainers taking part in the Battle Royal preliminary round of the Manalo Conference, which he entered with his Mudbray. After challenging the others to take him on, he was swiftly defeated, becoming the first to be knocked out. In the same episode's Poké Problem segment, he was shown being upset and angry after seeing the Top 16 being announced.


Hiroki is an egotistical Trainer. He was overly confident about his chances of winning in Battle Royal 151!, calling for the other Manalo Conference competitors to take him on. However, he suffered a quick defeat, bruising his ego.


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

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

Hiroki's Mudbray
Mudbray is Hiroki's only known Pokémon. It first appeared in A Guardian Rematch!, where it battled Ash and his Rockruff. It was eventually defeated by Breakneck Blitz.

It reappeared in a flashback in Beauty is Only Crystal Deep!.

Mudbray physically reappeared in Battle Royal 151!, taking part in the preliminary round of the Manalo Conference, only to be the first Pokémon to be defeated.

Mudbray's only known move is Double Kick.

Debut A Guardian Rematch!
Voice actors
English Michele Knotz


Pokémon League

Hiroki has competed in the following Pokémon League Conferences:

Voice actors

Language Voice actor
Japanese あばれる君 Abareru-kun
English Ryan Nicolls
Finnish Peter Pihlström
Polish Otar Saralidze
European Spanish Juan Enrique Palacios Fernández


Indigo Plateau Conference: MandiPeteGaryJeanetteMelissaAshRitchieAssunta
Silver Conference: DarrenSalvadorJacksonMacyGaryAshHarrisonJon
Ever Grande Conference: JumpVivicaGilbertGavinDominickClarkJohnny
Lily of the Valley Conference: JeffreyNandoBarryConwayPaulAshTobias
Vertress Conference: RadleyMikaelUltimoKendrickTripBiancaEmmanuel
Lumiose Conference: TrevorTitusAstridTiernoRemoSawyerAshAlain
Manalo Conference: HirokiPikalaMr. ElectricMad MagmarRappZipp
TuppPlumeriaDJ LeoMaster fishermanOluoluKahili

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