Only three... Hmmm... Probably
For male...
1. KAITO (VOCALOID)
2. Natsuno Yuuki (Shiki... Also my current avatar!! XD)
3. Izaya Orihara (Durarara!!)
...Too many male characters to name... XD
For females...
1. Chii (Chobits)
2. Teto Kasane (VOCALOID)
...And either Konata Izumi from Lucky Star, or Yuki Nagato from The Melancholy from Haruhi Suzumiya (Especially Disappearance version! XD)