Well, my female lead Cherry is the most promiscuous female I can make her without adding needless sex scenes — and she’ll survive to the end of the movie.
I want the scientist-who-explains-everything-for-the-sake-of-the-audience to be a trans man. Who will be pushing everyone to run a stake trough the vampire once he finds out the reason he got saved was because he still has a working womb and is expected to get pregnant. In my mind this is the only character to take “give me liberty or give me death” literally.
Bob turns out to be a trusting optimist with Daknophobia.
The rest are still vague. Pretty much bodies to supply some gore.