Okay, it's not so much a portrait as it is a render test to make sure I had the materials set to my liking. This was my first time using the velvet setting in Reality, and I'm very pleased with the results. His fur looks very soft and fuzzy. Only change I did to the texture itself was tweaking the eyes, so they match Guy's eyes when he's in his human form.
Set up in DAZ and rendered in LuxRender. No postwork.
Oh, and did you know the cheetah model has no eyelids? Guess there will be no blinking for Guy...
In human form: