This stuff is around kids all the time. Sponge Bob is a huge franchise laden with filth!
Look to the confectionery industry also.
These sweets below have been out in the UK for around 5 years now. MAOM's. Look at the pictures!
http://imagehosting.gr/show.php/959238_maom.jpg.html
5 years and it was only last week that a parent noticed this enough to complain.