you will find him in the back of meteor falls after you go up the waterfall,there he will battle you. look out, he has level 78. use fire.
Beating the elite 4
You have to get a life. =)
No, you cannot own a Gym after defeating the Elite 4.
After beating red, challenge the elite 4. After beating them, red will reappear.
you will go to Battle Frontier
you keep on beating the Elite 4 and every time you beat the Elite 4 the the successful launches goes up one to two times i don't think there is a way.
No you can trade anytime before beating the elite four.
you complete the national pokedex, dont know about after that
I think it's finish
*shrugs* who knows
Challenge the Elite 4.
Safari zone after beating elite 4