Kanto (Squirtle, Wartortle, Blastoise)
Johto (Totodile, Croconaw, Feraligatr)
Hoenn (Mudkip, Marshtomp, Swampert)
Sinnoh (Piplup, Prinplup, Empoleon)
Unova (Oshawott, Dewott, Samurott)
