Ah, 2009. If 2008 was "busy" with the 8 costumes I wore, 2009 was insane. In 2009 I attended: Katsucon, Momocon, NashiCon (as staff), Animazement, Otakon, and Anime Weekend Atlanta, for a total of six conventions and twelve new costumes. This was not including all of the older costumes I re-wore to various conventions!
If there was one big thing that happened in 2009, it was Soul Eater. I did three different SE costumes:

Eruka Frog at Katsucon