http://www.bbc.co.uk/news/magazine-18243577

And at number one.... a group of call centre workers talking with their mouths full of KFC. Seriously??
The all-time top 10
1. KFC (2005): Call centre workers singing while eating 1,671 complaints - not upheld
2. Auction World (2004): Shopping channel 1,360 complaints - referred to Ofcom
3. Paddy Power (2010): Cat being kicked by blind football player 1,313 complaints - not upheld
4. The Christian Party (2009): Poster saying 'there definitely is a god' 1,204 complaints - not upheld
5. British Safety Council (1995): Condom advert featuring Pope 1,192 complaints - upheld
6. Marie Stopes International (2010): TV ad offering sexual and reproductive healthcare advice 1,088 complaints - not upheld
7. Volkswagen (2008): Depicted an engineer fighting multiple versions of himself 1,070 complaints - partially upheld
8. Yves St Laurent Beaute (2000): Poster of naked reclining Sophie Dahl 948 complaints - upheld
9. Department of Energy and Climate Change (2010): Press and TV campaign about climate change 939 complaints - upheld in part
10. Barnardo's (2008): TV campaign about domestic child abuse 840 complaints - not upheld