it was the mac and pc dudes from the comercials "hi im a mac, and im a PC" then another guy come in and says "im a linux" and the PC and Mac guys just WAIL on his @$$(&^
actually i did it to a couple that were on the glass in my nano,i also did it to the fire worms to remove some of them.......i don't know,it seemed to work ok for me,lol
mainly because although you may get a good piece of it, you wont remove the whole thing. So its just going to grow back, therefore their nickname "DEVILS PLAGUE" very pesky nems.