in saffron city gym and her name is Sabrina
Blue (The eighth gym leader) is waiting on Cinnabar. He won't battle you unless you've beat the rest of the gym leaders
he is at the sea form islands
Because Misty is not at her gym, you have to find her up at Route 25.
While you are at Cinnabar Island you will find Blue. When you beat Blaine at Seafoam Island, you need to head back to Cinnabar. When you are there talk to Blue once more and he should tell you that you are good enough to battle him. After that he will head to Viridian City and you will battle Blue.
On route 12 in the kanto region somebody gives it to you
You find Blaine in the islands that are close to Cinnabar.
The Viridian Gym leader (Blue) is at Cinnebar Island, you can go there by surfing south from Pallet Town. If you want him to return to his Gym you have to beat the other 7 Gym leaders in Kanto
It is Giovanni, the team rocket leader. He's in the Viridian City Gym. Its rumored he murdered the previous gym leader, Blue.
You need to have defeat the other gym leaders of Kanto first, after that you will find Blue on Cinnabar Island, talk to him and he will return to his gym.
I think you need to beat 7 kanto gym leaders to fight him.
You can get it by beating blue the last Kanto gym leader wich you can fight them beating the elite four and then oak will call you and if you visit his lab he gives you HM 08 Rock climb
After you beat the other 7 kanto leaders you will find Blue in the rubble of Cinnebar Island. Talk to him and he will return to Viridian Gym, then you can go battle him.
Blue (The eighth gym leader) is waiting on Cinnabar. He won't battle you unless you've beat the rest of the gym leaders
after you defeat trainer blue, the last gym leader in kanto, talk to prof. oak. he will give it to you
Blue (The eighth gym leader) is waiting on Cinnabar. He won't battle you unless you've beat the rest of the gym leaders
His name is Blue, and he is on Cinnabar Island. Show him the other 7 Kanto Badges and he will go to the Viridian City gym. Then, go to Viridian City and battle him at that gym.
In Pokémon HeartGold, the Gym Leader of the Viridian City Gym is called Blue and he can be found on Cinnabar Island however he will not leave the island until after you have received all seven Gym Badges in the Kanto region. Blue's party consists of Pidgeot, Rhydon, Gyarados, Machamp, Arcanine and Exeggutor.