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Wani-Wani
From Bulbapedia, the community-driven Pokémon encyclopedia.
Unlike Jimmy's Typhlosion and Vincent's Meganium, it doesn't seem to be used as often, only appearing once as a Croconaw during The Legend of Thunder!.
Marina uses Wani-Wani after the defeat of Little Pink in the battle between Jimmy and Marina, Jimmy then calls Beedrill back and use your Typhlosion to battle against Water-type Pokémon, Marina shows during the battle to be in sync with Croconaw actions, in the battle despite the disadvantage on the part of Typhlosion, it stands up well to the attacks of Wani-Wani and Typhlosion as he prepares to fight back the attack of the opponent an explosion in the background hangs the battle.
Marina and Jimmy concerned sends his Pokémon back to the Pokémon Center, however misguided they end up going the wrong way and are called back to the Poké Ball.