I don't think I posted it here-- gremlin and her "trick". These are some forms of goo, although I will depict different heads anyway, but as a random use it is acutally.
Ref https://www.furaffinity.net/view/61268988/

I'm active there, I live there... telegram!
If you want help me to make more original contents, like comics and pictures, or if you are interested in exclusive sketches, WIPs, PSD files, Q&A and etc, and having access to all of my artworks 1 month before they get published, support me on Patreon! >:D
The little mouse always enjoys your comments and says thank you! <3