Create XKCD style graphs with: Gnuplot, Python, Latex, Matlab, Javascript, Mathematica, R or On-Line

Generating XKCD themed plots was a hot topic towards the end of 2012.
Follow the links below to find out how to produce them with your favorite language.

Gnuplot: http://rfonseca.github.io/xkcd-gnuplot/
Javascript, R, Python, Matlab, LaTeX, Mathematica: http://www.walkingrandomly.com/?p=4731
On-Line (with Javascript): http://xkcdgraphs.com/