"Spongefont.ttf" contains a TTF font named "Spongefont Squaretype".

This seems to be a freeware TTF font by somebody who  goes by the name
of "Johnny Bluejeans". The original ZIP file was distributed as a free
download by DaFont.

The original data-file URL was:

      http://www.dafont.com/download/?os=win&file=spongefont_square_t