Dont write on toilets write on walls, porcelin is so glossy and shiny nothing is going to last and even if it does have a ghost its going to look shitty.
atak is the man....... i just write my name with my own shit and herpes juice.... people dont wanna clean that off
Make a ink mop out of a ton of papermate pens theres tutorials on youtube for it. I made some and when I was filling my mop with the ink it stained my sink I had to buff it with chemicals.
i know garvey/pen ink stained my marble sink. Its possible but i think youde be better off scribe'n it
get an acid marker, it'll burn into it and they will never be able to get rid of it. that's how people tag trains in nyc since all paint and ink gets buffed