Kanto

#1 Bulbasaur

#2 Ivysaur

#3 Venusaur

#4 Charmander

#5 Charmeleon

#6 Charizard

#7 Squirtle

#8 Wartortle

#9 Blastoise

#10 Caterpie

#11 Metapod

#12 Butterfree

#13 Weedle

#14 Kakuna

#15 Beedrill

#16 Pidgey

#17 Pidgeotto

#18 Pidgeot

#19 Rattata

#20 Raticate