Blastoise

Blastoise
How to Get: Evolve Wartortle at Level 36.

Moveset: Bite, Bubble, Withdraw, Hydro Pump

Evolution Line: Blastoise evolves from Wartortle at level 36, which evolves from Squirtle at level 16. Mega Blastoise is also in the game, and blastoisinite can be purchased at Meowth's Mad Deals for 1000 Pokebucks.