In the animeEdit
Gym Leader Clair of Blackthorn City has a Kingdra that was used in Better Eight than Never!
Molly Hale used an illusion Kingdra to battle Misty in Spell of the Unown.
Kingdra made its anime debut in Dueling Heroes where it lost to Totodile in the first match of the Whirl Cup Competition.
Johto (Ash's Pokédex) - Kingdra, the Dragon Pokémon. Normally at rest on the ocean floor, but in theories of high activity, even a yawn has enough power to create whirlpools.