Kakashi is Definitely related to Tobirama and Jiraiya Kakashi is a Senju Kakashi of the 1000 Jutsu Senju were known for hundreds of Jutsu Tobirama stripped the Senju name and encouraged everyone to intermingle so that Senju would spread and dissapear at the same time. Very Ninja Jiraiya is like a uncle or distant cousin. Sakumo and jiraiya share similar samurai or ronin design. Jiraiya could have been minatos father with tsunade. Minato resigned Kakashi from Anbu because how dark his heart