acting voices

I’m a fan of voice acting. Which anime characters have memorable or awesome voices?
Some that I like:
Rukia (bleach) – tomboyish voice.
Louise (Zero no Tsukaima) – tsundere voice. (voice acted by the Tsundere Queen).
Luffy (One Piece) – wacky voice and sometimes brave voice.
Lala (To-love-ru) – joyful or playful girl voice.
Ai Enma (Jigoku Shoujo): THE most memorable voice ever. Mamiko Noto has such a deep, yet feminine voice; it’s beautiful.
Konata Izumi (Lucky Star): Adorable, without being overbearing, like the majority of Hirano’s characters. I’m also a sucker for her accent.
Athena Glory (Aria): An amazing singing voice, as well.
And, of course, Lelouch (Code Geass): deep, masculine, yet distinct.
Since you mentioned the Tsundere Queen, I’ll go ahead and say that Rie’s real voice is quite possibly the cutest I’ve ever heard.