The Goo Gone will work, it'll just take a lot of time and elbow grease. Let it soak for a couple of minutes, then go at it with a microfiber towel.
I promise it'll work after a good deal of effort.
WD-40 will eat that stuff off quick
You can also try a clay bar used for wax prepping your car. I had paint on my drivers side rear view mirror and I tried all sorts of liquid removers to no avail.
Tried it. It didn't work.
Sounds like it might require fire.
What exactly is it that you are trying to remove. Lets get a pic of it, preferably before the fire.