Who doesn’t love Avatar? A cool Halloween costume based on an Avatar character is just the ticket! It seems everyone wants a blue Avatar costume! Buy one or make your own with some blue leggings, blue body suit, blue make up, and braided wig. Neytiti, Jake Sully, Toph and Aang will be ringing your doorbell for candy this Halloween! Here are some of today’s listings at eBay for Avatar the Last Airbender costumes: Help restore peace to the Four Nations this Halloween. A homemade or store bought Avatar costume will have your favorite Airbender ready to go, whether trick-or-treating or saving the world from the Fire Nation. No need to wait for Halloween, as children enjoy dressing up and acting out adventures any time of the year!