Although for very popular characters it could be either a costume or a cosplay. Cosplay (short for Costume Play) is dressing up as a specific character, captain america costumes usually Anime characters. Many cosplay sites take “commissions” which means they will make you anything you want. This is usually the way to go to find different ideas for making cosplay costumes. You can dress up in costume as your favorite cartoon character or video game character, and pretend to be that character.