No, my question referred to the name of the developer:
what happened to 'grindercowboy'?
Ah, the typo answer was to mailman.
About the change of username, the developer is still the same person. :) To make a long story short, it was an old username from my days of playing poker. I think I started using it 2008-2009. I haven't played poker in years but the name stuck and when I created my itch-account I couldn't think of any name... and here we are now. :)