Imagine a vaguely human-shaped giant blob of filthy, crusty, lumpy, horribly discolored Ivory soap wearing a moldy, tattered uniform and you've just about got it right.
I tried Googling for him but I'm not even sure what search terms to use.
"Soapy soldier"?
"Foamy mummy"?
I admit I'm stumped and I got no results.
The Smithsonian site is stingy with their exhibit info so they were no help either.