The Whippet is a breed of dog, specifically a member of the sighthound family. They are active and playful and are physically similar to a small greyhound. Their popularity has led to the reuse of the Whippet name on a large number of things, from cars to cookies.(Wikipedia)
Whippets are generally quiet and gentle dogs, and may be content to spend much of the day resting. Although especially attached to their owners, they are friendly to visitors. They are not prone to snapping, so they are good with young children. Because of their friendly nature whippets are known to have been used in aged care facilities.[citation needed] They may bark when strangers arrive but are not suited to being guard dogs. They do, however, tend to attack cats that stray into their territory, unless they have been brought up living with a cat.(Wikipedia)