The eighth gym leader is in Viridian City. It is the team rocket's leader!
the leader of team rocket
he is in the gym in vermillion city on fire red and/or leaf green
You must go to the Pokemon Gym. Beat the gym leader and he awards you with the 8th gym badge
The 8th gym leader is Drayden he uses Dragon type pokemon
The 8th gym leader is in Viridian City.
Defeat the eighth gym leader.
volkner
Wassilij
The 8th gym leader is in sunny shore city
Beat the gym leader
beat the #?*@! gym leader
in sunnyshore