I'm sorry Internet, I just realized that I never showed you the pictures I promised you. So, I show you a picture. Now please don't look if you're eating, mkay?
That is the area behind the fridge, and it was a light fridge, not heavy at all. And yes, that is moldy bread in its bag that you see there. And one big cobweb. 
That is a shot of the A/C. I don't have many more pictures, I didn't take many before we started the cleaning process. Let's just say the rest of the house was equally as nasty.
eeeewwwww is right. What a pig that guy was.
The worst thing to me was that the guy was married with almost grown up girls. There was no excuse.