Cosmo Portrait!

So one of my dear, dear friends from back home and I are attempting to keep each other accountable in our art by setting bi-weekly goals of creating pieces with a certain theme.  This is our first one, and we went with pet portraits.  So here's the initial sketch for the Cosmo (my almost 6 month old, 11lb wire-terrier mix) portrait, and the photo it's based off of:

His one ear perks up like that all the time, it's soooo cute.  :)

Here's the finished portrait:

I feel like it captured his energy and attitude pretty well... ie., inquisitive and generally confused.  :)