Too many to name, but my top 10 would probably have to be: Fate Averruncus (Negima), Natsu Tanimoto (History's Strongest Disciple Kenichi), Kyousuke Kousaka (Ore no Imouto), Natsu Dragneel (Fairy Tail), Kotaro Inugami (Negima), Ichitaka Seto (I''s), Manaka Junpei (Strawberry 100%), Accelerator (Toaru Majutsu no Index), Tao Ren (Shaman King) and Death the Kid (Soul Eater). Yeah, I'm a heavy otaku!