One out of two issues was fixed based on trial and error! I found this reddit thread and comment and it worked like a charm (plus a few skeleton tweaks, I still can’t for the life of me figure out what’s wrong with the view port, here’s a better image of the issue
This image shows the viewport in the back of the neck for some reason even though it is in the middle of the eyes outside of the head.
(Edit: Added image)
Thanks,
Mori