The Twat-O-Tron, a text generator that spurts out typical Daily Mail comments. You literally can't tell it from the real thing.
"global warming climate change no such thing ts just another tax i read that liberals are interfering in our lives again because the scottish mafia is running the country true patriots must bring back churchill this is communism folks"
For the 23h Comics event I made this post-apocalyptic comic. The subject was 'cohabitation', to which +Scott McCloud added this constraint: the story must contain a big silly hat. I ran out of time and finished the story with just 22 pages though.