Vincent as an incubus.
Not, in this one, the evil sort of incubus. He's a redeemed incubus. He has his same history - he went to seminary, he became a priest, he confronted gangs, he built hospitals, he was made an archbishop and then a cardinal. He's committed to people, to loving everyone, to his flock, to helping anywhere he can, to the redemption and the grace that is, that can be possible for everyone (if it could be for him, for a demon, certainly it can be, is, for every person).
One thing that didn't change when so much did is his nutritional needs. He still feeds on the desire and satisfaction of people who are having intercourse with him.
Generally he's found ways to make it work. (It helps when you have a sense for desire that people feel for you.) He's gone to bars and gotten himself picked up at them; he's done sex work sometimes; he's been there for some lonely people; sometimes he's noticed some people who do not make good partners and don't let that stop them and diverted them out of bothering or preying on anyone else.
(If he's explaining this to someone, he'll them them - his partner's desire is a requirement, for him to feed (not that he would ever, now, do anything with anyone who didn't want it), but in fact his is not.)
It's been better sometimes than other times, but - it's been fine.
And then he got elected pope. And now there are some problems.
(-Also he can still sense desire that anyone around him feels for him. So that might be interesting.)