I totaled all of the votes in this thread so far... just because. I did not tally anybody who listed multiple mains. Here is the list ordered by number of votes.
6 Helena
5 Tina
4 Lisa, Mila, Bass, Ayane
3 Jann lee, Leifang, Christie
2 Akira, Hitomi, Hayabusa, Zack, Kokoro, Brad Wong, Kasumi
1...