You Go into seaFoam islands and Go up the stairs and there is He. Hope this helped :)
You Have to beat Sliph Co. Towers Boss In Saffron City first then to the Verdian Gym, the Team Rocket Boss is the Veridian Gym leader
the fire gym is in cinnabar island
The Cinnabar gym key is in the abandoned mansion west of the gym. Spray on a super repel and get to work!
the cinnabar island tower at the bottom
On Pokemon soul silver the cinnabar gym is located inside Seafoam Islands.
He is in the Cinnabar Gym on Cinnabar Island.
The 7th Gym is on Cinnabar Island.
Its on cinnabar island, you will need to use surf to get there from fuchsia city ^.^
its in seafoam island not cinnabar
You will find it in the Pokemon mansion on cinnabar island.
Beat the 7th gym leader which is near cinnabar island and talk to the 8th gym leader which is on cinnabar island and he is going to go back to the gym to wait for you to challenge him.
His name is Blue. He will appear in the Gym after you beat all the other gym leaders. Once you beat the Cinnabar Gym, talk to Blue on Cinnabar Island. He will be the only person there. Then he will return to the Gym.