Kakashi Hatake is the leader and ... due to his creation of many of the franchise's most important jutsu, Tobirama is often considered the greatest Naruto genius. He has some of the greatest ...

So Itachi uses this chance to plant one of his greatest weapons ... Akatsuki’s finest. Kakashi enters the fray soon after and immediately copies Kisame’s water jutsu with his Sharingan.

A nameless genin in Naruto dropped one of the most broken abilities during the Chunin Exams that most characters couldn't have handled.