Manga

Japanese Comics ~(o-o)~
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