the right ones are as follows:
for The Pewter Gym Brock is the Leader.
the Cerulean City Gym leader is Misty
See Also
Battling at Gyms — Pokémon GO Help CenterPokémon Go Gym Badges explained, how to get Bronze, Silver and Gold Gym BadgesIono - Pokemon Scarlet and Violet Guide - IGNShellythe Vermilion City Gym the Leader is Lt. Surge
the Celadon City Gym leader is Erika
See Also
Serrathe Fuchsia City Gym leader is Koga.
Saffron City Gym Leader is Sabrina
Cinnabar Island Gym Gym leader is Blaine
Viridian City Gym leader Giovanni
