The comic you cited is http://xkcd.com/574/. Some of the subsequent "tweets" are funnier:
Swinedler's List
Pig Trouble In Little Mexico
Silence of the Hogs
In Ham's Way
Babe: Death In The City
Swiney Hog, Demon Butcher Of Fleet Street
Memoirs Of A Butcher
Snout Of Africa
All will star Kevin Bacon