8th Gym Leader: Claire8th GYM Leader is Claire of Blackthorn City. She uses dragon Pokemon. Yes indeed Claire is the 8th gym leader in gold/silver/crystal and she uses dragon type Pokemon just like lance
The eighth gym leader is in the underwater city(forget the name) but it is where you fight groudon. after you beat him the gym should be open.
To get the 8th Gym Leader to return to his Gym in Viridian City, you must defeat all 7 other Gym Leaders.
The eighth gym leader of Sinnoh, Volkner, returns to battle you again in Platinum after you beat the Elite Four. When you get to battle frontier, you and your rival have a double battle against Volkner and Flint, an Elite Four member.
Blue (The eighth gym leader) is waiting on Cinnabar. He won't battle you unless you've beat the rest of the gym leaders
You have to beat the team galactic leader, then dialga comes out.
Defeat the eighth gym leader.
The eighth gym leader is in Viridian City. It is the team rocket's leader!
As the gym leader, Giovanni is supposed to be the eighth of them. So you have to beat the other seven before you can get to him.
After you reach the peak of Mt. Coronet and do the event with Dialga, the path to Sunyshore, the home of the 8th Gym Leader, Volkner. At first, I don't think he's in the gym, he's in the lighthouse! BULBASAURRRRRRRRRR! XD
The 8th gym leader is Drayden he uses Dragon type pokemon
volkner
Wassilij
the leader of team rocket
druddigon, fraxure and a haxorus
catch dialga the go to sunnyshore
The 8th gym leader is in Viridian City.