You can find a woman in a house in cerulean city who will give hers away for free. However, I think your pikachu has to be at a certain happiness level. You can up your pikachu's happiness multiple times by exploiting a glitch- repeatedly use a potion on your pikachu when it's on full health. The higher quality medecine the better.
There are also NPCs who give away charmander and squirtle depending on your pikachu's happiness.
you get bublasaur from professor oak derrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
blow bubbles at it
Whirlpool isn't in Pokemon Yellow Version.
Pokemon Yellow does not have meowth and it can only be obtained by trade.
pikachu
Noctowl doesnt exist in Pokemon yellow, blue, or red
Lavender Town
at the top of the tower your find him
you get him at the start
The Yellow Forest route on the Pokewalker? Pikachu. Only Pikachu.
You can't find Charizard in Pokemon Crystal. You have to trade it from Pokemon Red, Blue, or Yellow.
he's at the top of mt. silver. This doesnt answer the question so here is the answer::: you go back to prof oak and he lets you choose from 3 start Pokemon to keep; squirtle, bublasaur, and charmander