https://makezine.com/article/craft/the-decapitator-modded-ad/
The Decapitator - modded ads in London - Make:
Jan 9, 2008 - An artist called "The Decapitator" is modding advertisements in London to make them more gruesome (unless you think the original ads were worse, then this
the decapitatorin londonmoddedadsmake