LluviaSarcasm - Gundam Wing - Trowa
Radleia - Final Fantasy XI - Mithra (any class/but if i'd had to pick it would be warrior) or even Jak and Daxter's Ashelin
pocky_penguin66 - Velma from scooby doo or Takagi Sawa from Highschool of the Dead
Naiya-sama - Ritsu from K-on!!
Sakurai_Atsushi - Pokemon gijinka would look cute, maybe sandshrew
kat_44 - Relena from Gundam Wing or Sophie from Howl's Moving Castle
NaruAnbu_Queeny - Juri Han - Street Fighter
FunnyValentine - Azusa - K-on!! or Vocaloids Rin or Sammy from Tenchi Muyo