Guest post by "Gunsolo" Hah, I love it! Best hood ornament ever! Money well spent. Aleena's name is well hidden, It took me a while to find it (before reading the comments, obviously).
Circe must have caught something worse than the flu if Blue is treating her...
JD, it's a lizard actually. It is originally from Ursula Vernon's excellent webcomic Digger (http://diggercomic.com/blog/2008/02/25/digger-361/)