Eevee
Pigdey < Pigdeotto < Pigdeot ( Ash' Pigdeot )
Ekans < Arbok
Pikachu ( The 50-50 Goat Plus Best Buddy)
Poliwag < Poliwhirl
Spearow
Caterpie< Metapod (Ash's Butterfree)
Weedle (the one Ash wanted to catch in the Anime)
Scyther
Nidoran (m)
Nidoran (f)