Many Halloween costumes for an adult have the advantage of being appropriate for all ages. Popular mens Halloween costumes often pay homage to their favorite movies. Scooby-Doo costumes are great for groups of four people, whether you want to be all 4 of the human characters or have Scooby in your squad instead. They are simply too impressive. Han, encanto costumes who first surfaced as ‘Fire Fairy’ along with a bunch of friends dressed up as elemental fairies and won the Cosplay show at a convention.