Paper doll, superhero, and Christmas tree costumes are suggested last-minute Halloween ideas. A paper doll costume can be easily assembled, while a superhero costume works well for kids and can be homemade. Christmas tree costumes allow dressing as related items like gifts, candy canes, candles, or a sleigh. Skeleton and store-bought ghost costumes in various sizes are also recommended options. The document provides brief descriptions of potential Halloween costumes for 2016.