Board Thread:Versus Debates/@comment-30830650-20170112062326/@comment-34752936-20180326134334

Thekillman wrote: HeroOfSacrifice wrote: I don't know about Fugaku.Speaking of Sakumo, since Sakumo was said to rival the Sannin's power,I'd lean to Sakumo's side. Actually no, he wasn't. Sakumo's reputation rivaled the Sannin. Considering the Sannin's name came from fighting Hanzo, i'm not sure what that even means.

Apparently,Hanzo acknowledged the Sannin and that's why he called them Sannin.