Dogs-kakashi is able to summon ninken, or ninja dogs, using the summoning technique. some ninken even develop the ability to talk. ninken have their own chakra supply and are able to battle and work with ninja. although the dogs belonging to the members of the inuzuka clan are ninken, the phrase is usually used in reference to the pack of eight ninken summoned by kakashi. kakashis ninken are supposed to be quite dangerous in combat, as kakashi notes that they can tear their opponents apart on his command.