Kuromaru is an adult canine with a wolfish appearance. As his name suggests, he has black fur with a white underside. He is missing his left ear, and wears an eyepatch over his right eye. He appears to have grown much larger in Part II than when he was seen in his brief Part I appearance.
Abilities
As an Inuzuka ninken, Kuromaru uses collaborative attacks alongside his partner Tsume. He is also well versed in the clan's techniques such as the Fang Passing Fang which he used with enough skill to cause extensive damage to the corpse of the first Animal Path during the invasion of Pain.
Out of all the Inuzuka ninken, Kuromaru is the only one that has displayed the ability to talk