Originally Posted by wallify
I use my wife's body spray. It took Sharpie off my doorm room door in collage, and still gets the job done.
^^^ probably cause it contains alcohol - it makes other stuff come off too, but that's another story
OP: alcohol, 'Goof-Off', Acetone...
Also depends on the color of your Grill - white will be harder to clean than say gray.