I call it. Makin Muffins. lol
be happy he uses the pillow for his claws and not your skin, my girl was quite the muffin maker when she was alittle younger and it was conflicting being so sweet and so painful at the same time O.o.
<I agree, un-neutered boy cats make with the stink as they mature. Might want to get that done, ASAP if hes not a breeder>