Anime

Kawii!!!! T_T O_O X_X @_@
Anime is huge part in Comic-Con, everyone loves it, and loves dressing up as characters from it. No matter what character, someone is sure to dress up as it. Lots of Animes are love, but the most popular are -

Death Note

One Piece

Naruto

Fruits Basket

Full Metal Achemist

Everyone loves these and much more, here's some pictures from Animes.