Possible, Cat, has the right 'look'. I have that figure and a bit small to be Frank though. I think I'll hunt about in Irregulars figures - they tend to be larger.
Found this figure, the one on foot:

Maybe a little modification will get him to Frank. But! He is Japanese so might be sculpted too small.

Over at Lancashire I found these,
https://www.lancashiregames.com/lg/gwb01-infantry-command.html. Maybe the middle figure. Lancashire do tend on the larger size? Again, reasonable modification - the hat could be adjusted.
For "Pants" I already have a couple figures I can use - painted even. The brother, too (well, more or less).
Just how do I mix Jungle Cruise, Tarzan, and Indiana Jones?
