Birthday Doodles

As a warm-up to my day's drawing recently, I've done some birthday sketches instead of my regular Daily Doodles, just for the fun of it. Here are a couple of examples: both were done very quickly and just for posting on that person's Facebook Wall, and in each case I've tried to incorporate some aspect of their latest book or website logo.

A birthday doodle for Will Terry (I loosely based the frog on the one at the top of his website):

And one for Dan Yaccarino, based on his recent Doug Unplugged book: