He will appear after you beat the 7th gym leader.
beat the 4th and 5th DA
The marsh badge is in the saffron city gym you must beat Sabrina the gym leader to get it, but to do that you must beat team rocket in the silph co building.
beat 5th gym leader then talk to his wife
Try his perents house
the 5th gym is saffron gym with sabrina!
beat the gym leader
beat the shliph co. office biulding
hm01 cut
Beat Giovanni at viridian city's gym.
Koga, he is in fuschia city, he uses poison Pokemon
You have to defeat Erika.
He will appear after you beat the 7th gym leader.
beat erika, fourth (celadon) gym leader, who uses grass Pokemon
It is the 8th gym....The last gym so just ignore until you beat the first 7
You need to go through the Pokemon mansion and beat all the trainers. At the last one you get the "secret key" to Blaine's gym.
what did you say