This Panpour is a water-type Pokémon owned by Cress.
It battled Ash's Pikachu at the Striaton City Gym. Panpour uses Double Team to dodge Pikachu's Quick Attack. Then Panpour, with Double Team stil activated, uses Scratch. A Water Gun almost hits Pikachu. Pikachu is using Thunderbolt. But Panpour uses Water Gun on Pikachu's feet to stop the attack. Then it hits Pikachu With Water Gun, then Scratch. Pikachu uses Volt Tackle but Panpour stops it with Mud Sport. At last Panpour ends it with Water Gun.
Panpour seems to be the most powerful Pokémon that belongs to any one of the Striaton Gym Leaders.