I'm thinking of doing Olivier from Full Metal Alchemist: Brotherhood. :3 It'll be weather-appropriate. It's not a costume I would want to bring to anything but a winter convention. Crossing my fingers for a colder Katsucon next year. This year's was very mild considering it was in February!
Midoricon - Yue - Card Captor Sakura
Anime USA - Fiona - Adventure Time, Yue - Card Captor Sakura, Gamzee Makara - MSPA[?]