I'm digging panel five for the subtle lip bite and streaking in the hair. You nailed both. Shading is a tad much across the nose and bridge though. Looks a smidge like a lion's snout.
Good picture, crappy site -> http://animalphotos.info/a/2008/01/04/noble-mild-lion-with-creamy-fur-yellow-eyes-and-cute-pink-nose/