Any fighting, water or grass type Pokemon even ice
Roxanna, located in Rustboro City. She specialises rock pokemon, and uses two geodudes lvl 12, and anosepass lvl 14.
first you need to get a thunder Pokemon then train it until it has the move thunder shock or discharge
The water Pokemon gym leader is in Pastoria City.
were is the fifth gym leader
You use your strong(est) Pokemon to kill the Gym Leader's Pokemon.
In Pokemon platnium it is wake gym leader. P.S. he has water type Pokemon.
the gym leader volkner uses electric Pokemon
The 8th gym leader is Drayden he uses Dragon type pokemon
You first must make sure that the gym leader is in the gym, because in some games you have to locate the gym leaders first. After that, you may have to get through a puzzle in the pokemon gym to get to the gym leader at the end of the puzzle. After that, you will battle the gym leader, and if all of her Pokemon faint, then you will probably be given a gym badge.
The fifth Gym Leader in Pokemon LeafGreen is Koga, the leader of Fuschia City's Gym. He specializes in Poison-type Pokemon and hands out the Soul Badge.
You can't be a gym leader on any Pokemon game. There may be some cheat which means you can stand in the place of a gym leader, but that's it.
a gym leader can't teach a Pokemon that move but you have to defeat the 6 gym leader in order to teach that move