Nin-dog

A is a dog bred to be a ninja's partner. They are mostly used by the Inuzuka clan. Similarly, Kakashi has contracts with Nin-dogs like Pakkun. However, Kakashi summons his nin-dogs with a Summoning Technique and has contracts with multiple dogs, rather than pairing with one nin-dog as his fighting style. Many Nin-dogs have displayed the ability to speak, including most of Kakashi's dogs, as well as Tsume Inuzuka's partner.