Uhm.. As many times as you want to i guess
After you defeat the Elite Four.
You can't defeat them without battling. If you have cheats you can.
get some good pokemon with good move
Red is the boy playable character in leafgreen you don't defeat him because you are him.
just use a good team.........i cant help you with that
You have to get the rainbow pass which you cannot get until you defeat the elite four.
Defeat the elite four, Get all 386 pokemon.
get all the super effective types including for last one and defeat everyone and save
nothing
Ghost types are weak against other ghost types and dark types so use those types to defeat that elite four member.
Yes you do, because to get a dog you have to get the national dex, which to get you have to beat the league.
Defeat the elite four and become Pokemon champion with 60 Pokemon recorded in your pokedex.