game shark
Celebi can be obtained through Pal Park in Pokemon Platinum. If you can't find it in Pal Park, try trading, or migrating it from Ruby, Sapphire, Emerald, FireRed, or LeafGreen.
Celebi*, can only get it from a wireless nintendo event.
You can't, sorry (Unless you cheat or trade)
unlock pure forest get blue sky meadow
catch every unown in the unown cave then go to the botem and look for a Pokemon bye walking round
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
There is no Pokemon convention in firered.
To get Pokemon firered on PC download a vba and Pokemon firered ROM
Celebi was able to be obtained in a special event, but you may also obtain it using an action replay
Yes there are shiny Pokemon in firered
It is not possible to get a ninth badge in Pokemon FireRed. You can only get eight badges in Pokemon FireRed.