There's a nearly endless number of ways that dogs express their joy, from classic tail wagging to random jumps and movements that you've never seen before. But no matter how your pup lets you know ...

Beetlejuice, Beetlejuice, Beetlejuice, from Eleventh Hour Rescue, is a two year old Miniature Pincher/Jack Russell Terrier Mix. Look up in the sky at this time of year for the constellation, Orion.

*Why he’s your friend: Olaf and I are living back East for two years while I see a specialist and go through treatment for a chronic illness. He is registered as my therapy dog.