scary Halloween costumes are meant to show dark looks. People would see them and get scared is the whole idea of it. There is no harm in having these types of competitions because it adds on to the fun moments. scary Halloween costumes are easily available anywhere and everywhere. One needs to have an authority to take it forward because many people might not get the idea right and end up on a bad note with other people. There are a lot of characters which come out every day. People copy them a lot and participate in competitions.