He is in the GYM on Cinnabar island(he is the leader)
koga is in the fuschia city gym not cinnabar island, there are invisible walls in the gym you can see there white outline so you can go around them until you reach koga.
Pokemon is sweet everyone at my high school syas they are dumb and then I tell them that they are dumb then I get locker slammed or trashed canned but that doesn't stop me from going to tournaments around the world. i AM RANKED 4TH IN THE WORLD. Listen to me if u want Bolbasar to turn fire red you have to win more battles with hime or he will dissappear with in about 2 hours of playing battles without using him. KOGA KOGA KOGA Don't leave me I Love U
Koga can be found in Fuchsia City near the Safari Zone.
i'm pretty sure you get it from Koga when you beat him(Koga is the 6th gym leader)
Koga's Pokemon are: Koffing Muk Koffing Weezing
you have to beat koga in fushia city
You get the soul badge from Koga in Fuchsia City.
you need to have all ground type Pokemon to beat koga i would say a a nidoking of nidoquenn you need to have all ground type Pokemon to beat koga i would say a a nidoking of nidoquenn
After defeating Koga the fuchsia gym leader he gives you the TM Toxic
Brock, Misty, Lt Surge, Erika, koga, Sabrina, Blaine and Giovanni
he is the fushia gym leader, u need to get passed the snorlax to get to fushia city which requires the pokeflute
if you mean rainbow badge go down cycling road and vs koga
The fifth Gym can be found in Fuchsia City. The leader is Koga, who specialises with Poison-type Pokémon.
The poisonous gym of Koga's command in Fuchsia city comes first in Pokemon fire red and in Pokemon leaf green
Janine can be found near the safari zone after beating the game you can't fight her but if you talk to her she will mention her dad koga.