My favorites:
Others I loved:
Aisaka Taiga (Toradora!)
Kisaragi Suzu (Ayakashibito)
Mare (Hoshizora no Memoria)
Natsume Rin (Little Busters!)
Nikaidou Shinku (Irotoridori no Sekai)
Tonya Antonevna Nikychna (Ayakashibito)
Others I liked:
Aiba Yuuki (Infinite Ryvius)
Bunji Kugashira (Gungrave)
Cagalli Yulla Athha (Gundam Seed)
Cloud Strife (Final Fantasy VII)
Guy Cecil (Tales of the Abyss)
Hei (Darker than Black)
Kaim Astrea (Aiyoku no Eustia)
Katagiri Saki (MinDeaD BlooD)
Kawano Hatsuyuki (Hatsuyuki Sakura)
Kazami Yuuji (Grisaia no Kajutsu)
King Hamdo (Kimi ga Soko ni Iru Boku)
Minato Hikaru (Muramasa)
Narita Hayato (Ore-tachi ni Tsubasa ha nai)
Ohne Touka (Sharin no Kuni, Himawari no Shoujo)
Okumoto Raita (Akatsuki no Goei)
Oswald (Odin Sphere)
Sakurai Kei (Dies Irae)
Shinjiro Aragaki (Persona 3)
Tatsumi Kanji (Persona 4)
Tohno Shiki (Tsukihime)
Touma Kazusa (White Album 2)
Yashi Nagomi (Tsuyokiss)
Yun Yenfei (Rui ha Tomo to Yobu)
Visual novel & other stuff impressions 