XKCD is a webcomic of romance, sarcasm, math, and language created by Randall Munroe.
This package tries to give a satisfactory answer to the question How can we make xkcd style graphs in R?. The xkcd package provides a set of functions for plotting data in a XKCD style using ggplot2.
Some examples of Scatterplots and Bar Charts:
The development page is here.