Japanese Comics ~(o-o)~
Edit
Manga isn't a huge part but a big part of Comic-Con, Manga is Japanese Comics, like Anime is Japanese Cartoons. People also love cosplaying as Manga characters, all popular Animes, are also popular Manga. There's not a lot about Manga you can say, but the most popular types of Manga are these ones -
Fantasy
Action
Comedy
Animals
