beat the elite four and all 8 trainers
that makes no sense!
Finish your Pokedex And Beat The Elite Four once then the second time they have stronger Pokemon
Squirtle is only obtainable if you chose it at the beginning of the game you must get one from another firered or leafgreen then give it to your firered and then you can finish your pokedex.
deafeat giovani in silph.coAfter you finish silph company, the president of it will give it to you.
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
You cannot 'finish' Pokemon LeafGreen and FireRed. You might be thinking about defeating the Elite Four. That is the end point of most trainers, but you can go ahead and capture legendary Pokemon like Mewtwo, Lugia and so-on.
There is no Pokemon convention in firered.
You finish the game by beating the Elite Four. If you beat that try to get all the Pokemon from firered, leafgreen, emerald, sapphire, ruby, and pearl.
To finish the fame checker in Pokemon FireRed and LeafGreen you have to go the various different locations in the world. You can find a comprehensive list online.
To get Pokemon firered on PC download a vba and Pokemon firered ROM
Yes there are shiny Pokemon in firered
you need to trade bellsprout, vulpix, and sanshrew from leafgreen and you can get the rest in fire red.