For those of you not following, Pearls Before Swine spoofed Slylock Fox on January 13:
<img src="http://joshreads.com/images/08/01/i080113pbs.jpg">
And on February 3, Slylock Fox reciprocated:
<img src="http://joshreads.com/images/08/02/i080203slylock.jpg">