The not so soft Stay Puft Marshmallow Man by Jason Freeny.

And he always looked so soft!

Not so soft on the inside!

This sculpture (called Stay Puft Anatomy Sculpt actually) is by Jason Freeny… known for his cartoon anatomy sculptures of Super Mario, Mr Potato Head etc.
You can purchase this tabletop conversation piece on ebay! Its currently at just under $600 with the auction ending tommorow.