My favorites:
Others I loved:
Akenagasaki Sora (Ever 17)
Itsuki Aoba (Soshite Ashita no Sekai yori)
Ryan (BALDR FORCE)
Others I liked:
Anastasia Romanov (Shadow Hearts: Covenant)
Hisasaki Kosame (Hoshizora no Memoria)
Irene (Aiyoku no Eustia)
Kaho (Crescendo)
Katsura Hinagiku (Hayate no Gotoku)
Margaret (Persona 3)
Misha Arsellec Ryun (Ar Tonelico)
Nina Fortner (Monster)
Pamela Ibis (Mana Khemia)
Rue (Princess Tutu)
Sonozaki Shion (Higurashi)
Uesugi Mihato (Kimi ga Aruji de)
Vash The Stampede (Trigun)
Virgilia (Umineko)
Visual novel & other stuff impressions 