I took a couple hours and made a new user icon.
In order to get the proportions right, I put on the gas mask myself. First time I ever wore one. More comfortable than I expected. And it was snug.
I did the art in Corel Draw, line by line, striving to give it the etched look.
When I did the original pictures, I relied on subtle facial expression to convey my adversarial feelings, but it wasn't enough, so I added my fist - which does the trick, don't ya think?