You can costumize Dr. Hare on 24 Carrot Island and when he appears as a contestant on Reality TV Island. His special pink armor is the reward for playing the Dr. Hare's Secret Lab game (costs 250 credits in the store).
no you can not.
in the store
The costume, like others at the Poptropica Store, has an effect built in, but will not change the play of any Poptropica island or game.
ther is n harry potter costume in poptropica, sorry. (it would be cool though!)
If your daughter wants to be a captain for Halloween, I saw a Captain Hook costume on the Disney Store's website. It was a very nice costume with a lot of pretty details.
You Cant
I vampire meow
You buy it at the poptropica store
It is the fire man!!
any island
The jack'o'lantern is a costume, previously available in the Poptropica Store.
As of August 2014, there is no Pharaoh costume available without a top. The traditional costume is available through the Costume Closet.