Maximum Mask
マキシマム仮面
About
Maximum Mask, otherwise known simply as Maxi, is the Gym Leader of Nomose City's Gym, known officially as the Nomose Gym. He hands out the Fen Badge to Trainers who defeat him. He specializes in Water-type Pokémon.
(Source: Bulbapedia)
Appears In
Pokémon the Series: Diamond and Pearl
Pokémon Diamond and Pearl Adventure!
Pokémon Masters Animated Trailer
Pokémon Adventures: Diamond & Pearl/Platinum
Pokémon Adventures: Diamond & Pearl/Platinum