Type expert

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This page should be checked by native English speaker and need more clear criteria for who is type expert. My criteria is: using at least one time monotyped team (for 2 Pokemon or more).

A type expert (Japanese: タイプエキスパート type expert) is a Pokémon Trainer who specializes in just one type. These Trainers are most commonly Gym Leaders, Trial Captains, Island Kahunas, or members of the Elite Four. There are also some Trainer classes that specialize in one type, such as the Bug Catchers who specialize solely in training and battling with Bug-type Pokémon.

Valerie's Fairy-type Pokémon in the anime

In the Pokémon anime, two former traveling companions of Ash aim to become type experts, with Misty wanting to specialize in the Water type and Iris aspiring to be a great Dragon-type specialist. In Pokémon Black 2 and White 2, the Type Expert Tournament at the Pokémon World Tournament features type experts from all of the core series regions known at the time.

Core game series experts

Kanto and Johto

Picture	Name and title	Type	Used Pokemon
	Gym Leader Bugsy	Bug-type
	Elite Four Karen	Dark-type
	Elite Four/Champion Lance	Dragon-type
	Gym Leader Clair	Dragon-type
	Gym Leader Surge	Electric-type
	Black Belt Kiyo	Fighting-type
	Elite Four Bruno	Fighting-type
	Gym Leader Chuck	Fighting-type
	Gym Leader Blaine	Fire-type
	Gym Leader Falkner	Flying-type
	Elite Four Agatha	Ghost-type
	Gym Leader Morty	Ghost-type
	Gym Leader Erika	Grass-type
	Gym Leader Giovanni	Ground-type
	Elite Four Lorelei	Ice-type
	Gym Leader Pryce	Ice-type
	Gym Leader Whitney	Normal-type
	Gym Leader/Elite Four Koga	Poison-type
	Gym Leader Janine	Poison-type
	Gym Leader Sabrina	Psychic-type
	Elite Four Will	Psychic-type
	Gym Leader Brock	Rock-type
	Gym Leader Jasmine	Steel-type*
	Gym Leader Misty	Water-type

Hoenn

Picture	Name and title	Type	Used Pokemon
	Elite Four Sidney	Dark-type
	Elite Four Drake	Dragon-type
	Lorekeeper Zinnia	Dragon-type
	Gym Leader Wattson	Electric-type
	Gym Leader Brawly	Fighting-type
	Gym Leader Flannery	Fire-type
	Gym Leader Winona	Flying-type
	Elite Four Phoebe	Ghost-type
	Elite Four Glacia	Ice-type
	Gym Leader Norman	Normal-type
	Gym Leaders Tate and Liza	Psychic-type
	Gym Leader Roxanne	Rock-type
	Champion Steven	Steel-type*
	Gym Leader/Champion Wallace	Water-type
	Gym Leader Juan	Water-type

Sinnoh

Picture	Name and title	Type	Used Pokemon
	Elite Four Aaron	Bug-type
	Gym Leader Volkner	Electric-type
	Gym Leader Maylene	Fighting-type
	Elite Four Flint	Fire-type
	Gym Leader Fantina	Ghost-type
	Gym Leader Gardenia	Grass-type
	Elite Four Bertha	Ground-type
	Gym Leader Candice	Ice-type
	Elite Four Lucian	Psychic-type
	Gym Leader Roark	Rock-type
	Gym Leader Byron	Steel-type
	Gym Leader Wake	Water-type

Unova

Picture	Name and title	Type	Used Pokemon
	Gym Leader Burgh	Bug-type
	Elite Four Grimsley	Dark-type
	Gym Leader Drayden	Dragon-type
	Gym Leader/Champion Iris	Dragon-type
	Gym Leader Elesa	Electric-type
	Elite Four Marshal	Fighting-type
	Gym Leader Chili	Fire-type
	Gym Leader Skyla	Flying-type
	Elite Four Shauntal	Ghost-type
	Gym Leader Cilan	Grass-type
	Gym Leader Clay	Ground-type
	Gym Leader Brycen	Ice-type
	Gym Leader Lenora	Normal-type
	Gym Leader Cheren	Normal-type
	Gym Leader Roxie	Poison-type
	Elite Four Caitlin	Psychic-type
	Pokémon Trainer Colress	Steel-type
	Gym Leader Cress	Water-type
	Gym Leader Marlon	Water-type

Kalos

Picture	Name and title	Type	Used Pokemon
	Gym Leader Viola	Bug-type
	Elite Four Drasna	Dragon-type
	Gym Leader Clemont	Electric-type
	Gym Leader Valerie	Fairy-type
	Gym Leader Korrina	Fighting-type
	Elite Four Malva	Fire-type
	Gym Leader Ramos	Grass-type
	Gym Leader Wulfric	Ice-type
	Gym Leader Olympia	Psychic-type
	Gym Leader Grant	Rock-type
	Elite Four Wikstrom	Steel-type
	Elite Four Siebold	Water-type

Alola

Picture	Name and title	Type	Used Pokemon
	Team Skull Boss Guzma	Bug-type
	Kahuna Nanu	Dark-type
	Pokémon Trainer Ryuki	Dragon-type
	Trial Captain Sophocles	Electric-type
	Trial Captain Mina	Fairy-type
	Kahuna/Elite Four Hala	Fighting-type
	Trial Captain Kiawe	Fire-type
	Elite Four Kahili	Flying-type
	Trial Captain/Elite Four Acerola	Ghost-type
	Trial Captain Mallow	Grass-type
	Elite Four Hapu	Ground-type
	Pokémon Trainer Sina	Ice-type
	Trail Captain Ilima	Normal-type
	Team Skull Admin Plumeria	Poison-type
	Pokémon Trainer Dexio	Psychic-type
	Aether Branch Chief Faba	Psychic-type
	Kahuna/Elite Four Olivia	Rock-type
	Pokémon Trainer Molayne	Steel-type
	Trial Captain Lana	Water-type

Anime only

Picture	Name and title	Type	Used Pokemon
	Gym Leader Clembot	Electric-type
	Arena Tycoon Greta	Fighting-type
	Gym Leader Mr. Moore	Fire-type
	Kiawe's grandfather	Fire-type
	Gym Leader Miles	Flying-type
	Salon Maiden Anabel	Psychic-type
	Gym Leader Flint	Rock-type
	Gym Leader Forrest	Rock-type
	Pokémon Trainer Riley	Steel-type
	Gym Leader Cissy	Water-type
	Gym Leaders - The Sensational Sisters	Water-type
	Gym Leader Lola	Water-type