Club Masters
Club Masters are a fictional group of characters in pokémon games. A Club Master is the most powerful member of a Club in Pokémon Card GB and Pokémon Card GB 2, just like the gym leaders in other pokémon games. They award Medals to players who defeat them in a match. They are: Nikki, Rick, Ken, Amy, Isaac, Murray, Gene and Mitch.
Nikki
Nikki (クニミ Kunimi in japanese) is the Club Master of the Grass Club (グリーンクラブ Green Club) and she gives the Grass Medal to the winner. Her Club is set as a greenhouse.
Rick
Rick (クルシマ Kurushima in japanese) is the Club Master of the Science Club (サイエンスクラブ Science Club). He gives the Science Medal to the winners. His Club is similar to a laboratory.
Ken
Ken (アカバネ Akabane) is the Club Master of the Fire Club (ファイアクラブ Fire Club in japanese) and gives the fire medal to trainers who defeat him.
Amy
Amy (ウッチー Utchi in japanese) is the Club Master of the Water Club (アクアクラブ Aqua Club). She gives the Water Medal to challengers who defeat her. Her Club is shaped as a swimming pool.
Isaac
Isaac (タカハシ Takahashi in japanese) is the Club Master of the Lightning Club (エレキクラブ Electric Club). He gives the Lightning Medal to the winner.
Murray
Murray (ミウラ Mirua in japanese) is the Club Master of the Psychic Club (エスパークラブ Esper Club) and he gives the Psychic Medal to trainers who defeat him.
Gene
Gene (ゲンゾウ Gen'zou in japanese) is the Club Master of the Rock Club (ストーンクラブ Stone Club in japanese) and gives the Rock Medal when defeated.
Mitch
Mitch (ヤマグチ Yamaguchi in japanese) is the Club Master of the Fighting Club (バトルクラブ Battle Club in japanese) and gives to the winner the Fighting Medal.