For what (very little) it is worth, temporality and the positioning of the characters in the grid along with the difference in the length of the lines completely resolved any ambiguity for me.
After a pretty comfy solve I'm at a loss to identify B & P. Having read the comments here I have no intention of trawling the internet. Can anybody provide a nudge?
Bobbycollins, do you have the title of the other pair's 'work'? If so, all you need to do is add 'US' in a search and your trawling would be at an end.