8 ) Bokusatsu Tenchi Dokuro-Chan
7 ) To Aru Majutsu No Index
6 ) The Melancholy of Suzumiya Haruhi
5 ) Mai Hime
4 ) Lucky Star
3 ) FMA:B
2 ) Azumanga Daioh
1 ) Elfen Lied
I haven't watched many animes, some listed here I haven't even finished but at least watched more than 10 episodes !
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Best LPer ever, Gix ! : http://www.youtube.com/watch?v=Vt5YKmP7ecY