He'll get a REAL KICK out of it I'm sure and yes, I would expect that you'll be getting chased around with it to creep you out, as though having to knit those little rats didn't already. Rats.... yuck. BUT the scarf IF very cute for a little boy with a thing for rodents. LOL. You did a great job on this! ALMOST makes me think rats are cute...almost.
__________________ OTN: my first attempt at any type of mitten - doing fingerless