He's on the roof of the Headquarters building.
you walk up to him and click on him
you talk to the scientist to the left of the island
You have to go to early poptropica island's museum and talk to the little old lady.
You talk to the other guy.
On all Poptropica islands you must click a person to be able to gather information from them or to simply talk to them.
To beat Back Lot Island in Poptropica, you will need to first talk to the homeless man. Tell him you have not heard of him, then talk to the woman at the next in the next shop to the left.
You need to go into the eye doctors building. Talk to the eye examiner and ask him to give you an exam The letter he wants you to press is the one that is the opposite.(W=M)
Talk to the people in the secret hide-out.
After you done the stuff you have to there will be a ship on the end of early poptropica go and talk to the man he will give you the medal
talk to the BLACK guy in front of the coffee shop
Go to your future self and talk to him.
go to all of the islands and talk to everybody there