They look like demon faces...

PoP2 for the Mac contains function names like "AnimFinlGargoyle", "DrawFinlGargoyle", and "TriggerFinlGargoyle".
So maybe gargoyle is the answer?
I just found this: viewtopic.php?p=14756#p14756Norbert wrote:I think I've seen people discussing these faces, but maybe it wasn't on this forum.
That's not exactly "discussing", though.realXCV wrote:1. I think the "different background?" in level 14, room 7 and 8 are the initial frames for the faces on the walls or something like that.