User:MattySadler

In order of when/ where obtained

Kanto

Pikachu			→ → File:Ash's Butterfree.png Caterpie → Metapod → Butterfree
→ Pidgeotto → Pidgeot			→ → Weedle → Kakuna → Beedrill
→ Rattata → Raticate			→ Sandshrew → Sandslash
Clefairy			Bulbasaur
→ → Charmander → Charmeleon → Charizard			File:Ash's Squirtle2.png Squirtle
→ Krabby → Kingler			Haunter
Dugtrio			→ Cubone → Marowak
Primeape			Muk
Tauros (×30)	Fearow

Orange Archipelago

Lapras

Snorlax

Johto

Heracross			→ Chikorita → Bayleef
Cyndaquil			Totodile
Noctowl (Template:Shiny2)			File:Ash's Phanpy Egg.png → → Egg → Phanpy → Donphan
Beedrill			Seaking
File:Rocket's Eevee.png → Eevee/Vaporeon/Jolteon/Flareon → Eevee			File:Ash's Larvitar Egg.png → Egg → Larvitar

Hoenn

→ Taillow → Swellow			File:Ash's Treecko.png → File:Ash's Grovyle.png → File:Ash's Sceptile2.png Treecko → Grovyle → Sceptile
→ Torchic → Combusken			→ Mudkip → Marshtomp
Kecleon			Volbeat
Corphish			Torkoal
→ Snorunt → Glalie