I dont like Tifa that much, but I wont complain if she gets in DOA though. 
Free Step Dodge
VAND1TA
Corza
I posted about this yesterday after watching Dead Fantasy. She'd be perfect in this game!
Project Bokuho
What's wrong w/ Tifa? The only downfall I see is that people will never shut up about saying how much her and Kokoro look alike lol