For those of us that have, post who you went as, and what they were from.

Myself:
Megumi Takani (Ruroni Kenshin)
Sesshomaru (Inuyasha)
Ichimaru Gin (Bleach)
Ise Nanao (Bleach)
Kusajishi Yachiru (Bleach)
Wrath (Full Metal Alchemist)
Kimimaro (Naruto)
Sasori (Naruto)

Quite a list I have going, I know. And it'll only be growing.