celio is on the first island
you can go there after you win at the cinabar gym, bill will be wating for you outside the gym
Celio is the man standing right by the giant machine in the One Island Pokemon Center you can't miss him.
you find every single Pokemon and then you go to her and then you ask twice and she will gve you three moon stones, five fire, and two sun.
You have to beat the elite four and defeat team rocket for the last time on four island, get the sapphire, and give it to Celio.
celio is on one island im pretty sure...
Mudkip can only be owned in Pokemon FireRed & LeafGreen versions by trading from Pokemon Ruby/Sapphire/XD/Colosseum. Trading from these games requires the National Pokedex, the Ruby and the Sapphire. You must give the Ruby and the Sapphire to Celio at One Island. Trading requires a Wireless Adaptor.
Hes bills friend on island 1
You find the ruby and give it to celio
Celio is the man standing right by the giant machine in the One Island Pokemon Center you can't miss him.
He is on 1 island in the Pokemon center building in front of the huge machine
You also find the sapphire and give them both to Celio.
beat the elite four
to get to ruin valley on Pokemon leafgreen you have to get the ruby in mt. Ember and bring it back to celio then go to six island
you find him on one island in a building with a pokeball on it and a red roof.
On five island you need to have given the ruby to celio to get there.
He is in the one island Pokemon center he's the guy with the glasses near the big machine.
beet the elite 4 talk to celio and then you can go to all the islands
you get it by finding the ruby in mount ember and giving it to celio in the pokecenter