nana_muted_xilofon
ナナ＝ミューティッド＝シロフォン (Nana=Muted=Xilofon)
Aka. ナナ=ミュン (Nana=Myun) or ナナ=ミュ・ン (Nana=Myu'n)
Original character by Nasu (Tenpurakkusu). Has a huge ahoge and dog ears.
Don't confuse her with Izumi Konata. (The artist said that he didn't know Lucky Star when he created her.)