As are the original figures. The tragedy being I had twenty of the original Manflayer models back in the 90's, now worth, it would seem, about £10 each. Sad.
So to create the new unit I had a look at the various current offerings out there, and in the end settled on the Black Ark Corsairs as reasonably suitable; I was able to pick up a pack for £13 on eBay.
Now they weren't going to be perfect, most notably in that their cloaks are clearly of a reptilian skin rather than human skin attributed to Mengil's regiment. But we can easily get round that with the discreet renaming above. During assembly I noted that though incredibly detailed, these modern GW plastics are remarkably mono-posed. There is little you can do with their appearance really.
Still that sort of repetition makes ranking up easier, and painting can be straightforward: