Bugsy is in Azalea Town.
Go to the third
The third gym leader is Whitney.
The final gym is the Viridian City Gym. Blue is the Gym leader.
Gym Leader Blue
Not enough info: which gym leader?
In the goldenrod gym.
You CAN NOT become a Gym Leader in Pokemon HeartGold and SoulSilver or ANY MAIN SERIES POKEMON GAME.
Brock.
in blackthorn city.
beat gym leader
The eighth gym leader still awaits, as well as the whole of Kanto.
you go west of ecturek and face the gym leader of olivine