| Dr. Mason|
Ｄｒ．オーヤマ Dr. Ōyama
Dr. Mason artwork from Template:Card GB
|Region||Trading Card Game Islands|
|Games||Template:Card GB, Template:Card GB 2|
Dr. Mason (Japanese: Ｄｒ．オーヤマ Dr. Ōyama) is a Pokémon card researcher. He resides in Mason Laboratory, where he teaches people how to play the Pokémon Trading Card Game and coaches practice duels. He was named and modeled after Pokémon Trading Card Game creator Kouichi Ooyama.
In Template:Card GB, Dr. Mason gives the player a choice of three decks to start off with. They are the Charmander & Friends Deck, Squirtle & Friends Deck, and Bulbasaur & Friends Deck. He also gives the player 30 additional cards, which are decided by which deck the player picked.
|NPCs in the Trading Card Game Islands|
| Dr. Mason • Ronald • Mr. Ishihara • Imakuni? • Tech Sam • Tech Aaron|
Club Members • Club Masters • Grand Masters • Team Great Rocket
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|This game character article is part of Project CharacterDex, a Bulbapedia project that aims to write comprehensive articles on each character found in the Pokémon games.|