Dark Young of Shub Niggurath.

Not sure if this miniature really belongs in the retro-dungeon, but a little imagination & fiddling with stats could make it suitable for the Retro Wilderness:

This is a RAFM miniature from ( I think) the early 2000's

I picked up a job lot of Cthulhu monsters & investigators off eBay some time ago & have finally got my mojo together to paint them.
An interesting contrast with the earlier ( c. 1983) Grenadier Miniatures version from their Call of Cthulhu Creatures boxed set:

I'll post a few more of these comparison shots over the next few weeks, at least where I have the equivalents.