Avcon 2011 - 3

So many photos I took that day turned out so bad...;; I can't upload those, but I'm happy this one came out clear :'D

Len = ???
Ciel = ???
Drocell = ???
Uniform (I...don't know the name of this cosplay..) = ???
Chii = ???
Rocklee = ???
Kikyou = ???
Inuyasha = ???
...another cosplay I don't know = ???