1-Bulbasaur

2-Ivysaur

3-Venusaur

4-Charmander

5-Charmeleon

6-Charizard

7-Squirtle

8-Wartortle

9-Blastoise

11-Metapod

12-Butterfree

13-Weedle

14-Kakuna

15-Beedrill

16-Pidgey

17-Pidgeotto

18-Pidgeot

19-Rattata

20-Raticate