User blog comment:KuroAshi98/ ~☆ Fairy Tail Character Soundtrack ☆~/@comment-4449950-20140419134050

The obviously cliché answer for Erza is Titanium XD Though of course for her the chorus is "You shoot me down, but I won't fall. I am Titania!" and then other lyrics about having nakama power ^__^

Too tired atm to think of any others~ XD