The Kanto gym leaders come in no particular order, but Blaine is typically the last gym leader fought, and also the second to last gym leader appearing on the Trainer Card.
claire
The final GYM Leader in Pokemon Silver (Game Boy Color) is in Blackthorn City. Her name is Clair and she uses Dragon type pokemans.
I don't know her name, but she has dragon-type Pokemon
his name is morty and he's in Ecruteak city
After you beat Brock in Pewter city head south through Viridian and Pallet. Surf down to Cinnebar where you will find Blue/Gary inspecting the aftermath of the volcano eruption. Surf east from there to the seafoam islands and explore the cave where you will find Blaine, the 15th gym leader. Go up the ladder as soon as you enter.
Blue (he is weak if you have lvl 100 pokemon. ) Good luck! He has a lot of different types
His name is silver. Giovanni's son
His name is Shijima
his name is cyrus he is the leader of team galatic
his name is chuck and he uses fighting type but be careful he tauthg his Pokemon focus energy plus he is in cianwood island which is next whirl islands where you find lugia and to beat the gym leader use flying type Pokemon and use physic type
Silver's real name is just that. SILVER. Despite the fact you can name ???(the 'name' he has when you first encounter him) whatever you want in the games, his official name will always be Silver.
His name is actually spelled Barry, His birthday is August 15th