Beats me

Unless you have serious reading comprehension problems, you know by now that I am fascinated by all things #2.  Accordingly, you can only imagine my interest when I picked up the below couch pillow from the floor today and saw this:

WHAT THE F*CK IS THAT?!????

Seriously!?  Who did it?  The cats?  Logan?  (To me it looks as if Logan took a massive load diaper off and decided to spin around a few times on the cushion, but I don't think he's that coordinated... YET.)

Should I smell it to confirm that it is, indeed, sh!t? 

Oh man.