He doesn't leave his gym, to get his phone number, you must:
1- Get a Pokemon massaged by daisy around 5 times
2- Show her the Pokemon she had massaged full of happiness.
Credit goes to Serebii.net to provide information
P.S. Call Blue on a Sunday night for a rematch
To find blue defeat all of the gym leaders and then go to cinnabar island blue will be there and will accept your challenge if you have defeated all of the gym leaders. Then go to viridian city gym and get through all of the trainers. After this you can also battle red.
If you defeated all seven gyms except for Blue's gym (in Viridian City), go to Cinnabar Island to show him the badges. If you don't have seven badges yet, go to a town where you have not defeated the gym.
Gary isnt a gym leader
To get to the 8th gym, you needed to have met Blue on Cinnabar Island, you will find him looking at the volcano there. You must have defeated the other 7 gym leaders before he will consider battling you. He will return to his gym, allowing you to face him.
you don't first you talk to blue at cinnabar. then you go to Viridian and battle him at the gym then you go battle red at mt. silver.
You need to go back to Cinnabar Island and go talk to Blue who is just above the Pokémon Center. He is the leader of the Viridian Gym! Once you've talked to him Fly/Surf back to Viridian City and the old man who was in front of the Gym will have moved aside and you can enter the gym where Blue awaits you however you cannot battle Blue unless you have defeated the other 7 Gym Leaders in Kanto.
you can get to the 8th gym after you defeat team galactic and defeated 7th gym.
he is in mt silver but you need to have beaten the 16 gym leaders defeated the elite 4 and you need the hms rock climb and surf
You need to defeat the other Kanto gym leaders. If you have defeated the other 6 except for Blue, go to Cinnabar Island and talk to him there.
He isnt there. In the gym, you have to face iris. Drayden is in his house, near the gym.
You need to defeat the other Kanto gym leaders. If you have defeated the other 6 except for Blue, go to Cinnabar Island and talk to him there.
The Pewter City gym is a Rock-type gym. The gym leader is Brock, who gives the Boulder Badge when defeated.