How can you get a Squirtle?

Answer 1

Pokemon Red/Blue/Green: it is available as a starter.

Pokemon Yellow: go to Vermilion City and talk to Officer Jenny in the middle of the city.

Pokemon Gold/Silver/Crystal: you will need to trade for it from Pokemon Red/Blue/Yellow.

Pokemon Sapphire/Ruby: you will need to trade for it from Pokemon FireRed/LeafGreen.

Pokemon FireRed/LeafGreen: it is available as a starter.

Pokemon Diamond/Pearl: you will need to transfer it from Pokemon Sapphire, Ruby, Emerald, FireRed, or LeafGreen.

Pokemon Platinum: you will need to transfer it from Pokemon Sapphire, Ruby, Emerald, FireRed, or LeafGreen.

Pokemon HeartGold: you can pick it from Prof. Oak in Pallet Town.

Pokemon Soulsilver: you can pick it from Prof. Oak in Pallet Town.

Pokemon Black(2)/White(2): transfer, Dream World, or trading is required.

Pokemon X/Y: it can be received from Prof. Sycamore in Lumiose City.

Pokemon Omega Ruby/Alpha Sapphire: you must trade from X or Y.