Oh totally, and it's always been Nintendo products.
A German Shepard we had when I was little ate my NES power cord, and this in a time when it wasn't so easy to just pop into Walmart for a new one. So I went without an NES for a long time after, like until I bought a used one in college. I only ever got to play Super Mario Bros, Excite Bike, and Duck Hunt.
More recently, my little bastard of a lionhead rabbit chewed through three different Wii U wires on three different occasions. Suffice it to say, he's not longer allowed in the living room.