A lot of Maine Coons are not vocal, get really massive, and seem to have a lot of extra toes/claws. They are fluffy gentle cats with thick undercoats.
They don't put up with a lot of crap, though, if they have been brought up in a tough neighborhood. Interbreeds can be really tough. My uncle had a Maine Coon Cat/ orange tiger interbreed that went feral and only got live-trapped years later. Buffy was OK with getting regular meals, etc, but he clawed the crap out of my younger cousin when she tried picking him up.