What do minions, Cinderella, and Darth Vader all have in common? Why, they're all considered to be some of 2015's top Halloween costumes, of course! Although ghouls, witches, and ghosts are timeless classics, many kids will be moving more towards portraying their favorite movie character instead. Characters from the movie "Frozen" are extremely popular with girls, as are Star Wars themed costumes with boys. Keep reading for more costume ideas from eBay!