The cosplay contest had several categories: retro (kind of a vague category), Anime, Sci-fi, comic book, fantasy, and ensemble. The term “cosplay” is a combination of the words “costume” and “play.” This popular hobby allows you to imitate any character from anime, comic books, avenger costumes or video games. If you’re a huge fan of the Harry Potter series then you’ll love these Harry Potter Ravenclaw inspired cosplay clothes. Shop with confidence. JoJo’s Bizarre Adventure Jotaro Kujo Cosplay Costumes.