I did this model in my free time few years ago to be used in a isometric view game. But we never use it.
This mob is an egg keeper, he just protect the eggs of the Sio Family. He pick up the egg and run
This creature is part of a family.
You can buy (ZTL, FBX, SPP, Textures) and use it, here: https://www.cgtrader.com/products/parasite-family-sio