The hardest thing I've ever wrapped was a vacuum cleaner, and I thought that may possibly be the hardest one to wrap; that is until I found this video. The cat is pretty well-behaved and seems to be willing to be gift wrapped; but I know our old cat wouldn't stay still. LOL!
By the way, make sure you use tape that won't take any of the feline's fur and paper with no too much wax. Happy Holidays!