Is it a squirrel?

I just got back from taking Pepper for a walk, and as soon as I walked in the door I realized that either someone is working out in the exercise room or there is a 100 lb squirrel in the attic.

Maybe I should go check. I've always wondered what a 100 lb squirrel would look like!

Oh, by the way, I hope you all have a happy and enjoyable 4th!