If you're a wolf. <br />
Some dogs have those too.
Yes, No matter what you compare, if a person has their heart set on finding things, they will, even if there is nothing notable.
Depends on whether you are talking about the physical features or the psychological features. I have seen one guy on NAT GEO who has got himself tattooed and operated upon to resemble a wolf or a tiger or something. I doubt if he has got a brain implant too.