Its best if you have 1 fire Pokemon and 1 ground Pokemon.
See question "Is this a good team to beat the elite four"'s answer.
use cheat codes
Nothing. Don't waste your time.
He will be at his house, if you didn't go to the islands yet he will be in the cinnibar island Pokemon center.
he stays in the elite four as champion
you only have to beat the elite 4 on Pokemon fire red not ruby
Fire and water are the best combination to beat the elite 4.
One island.
The same you can do in Fire Red.Read my answer to that here:What_can_you_do_after_you_beat_the_elite_four_in_pokemon_fire_red
You have to migrate them, which I think can only be done when you beat the elite four.
Its best if you have 1 fire Pokemon and 1 ground Pokemon.
against the elite four infernape will do very good with its fire type moves but since the first gym is ground it is not so easy to beat it with a fire type. i beat the elite four 6 times with my infernape. the beat moves for it are fire blast and flame wheel
See question "Is this a good team to beat the elite four"'s answer.
use cheat codes
first you need the rubys in fire red but first beat the elite four
In the fris time you are challenging elite 4:Lorelei: Dewgong, Cloyster, Slowbro, Jynx, LaprasBruno: Onix, Onix, Hitmonchan, Hitmonlee, MachampAgatha: Gengar, Golbat, Haunter, ArbokLance: Gyarados, Dragonair, Dragonair, Aerodactyl, DragoniteThen you have to beat Gary, the Champion