Double Rinnegan Juubi Jinchuriki Madara Uchiha -- we all read the manga, we know what he's capable of.
Versus:
Every single character to hold the title "Kage"... as in, every shinobi to hold the position leader-of-village. (Excluding Naruto as the Seventh Hokage.)
Who wins?
For reference, that list includes:
A (First Raikage) A (Second Raikage) A (Third Raikage) Akahoshi Byakuren Chōjūrō Darui Gaara Kakashi Hatake First Hoshikage Third Hoshikage Gengetsu Hōzuki Ishikawa Third Kazekage Kurotsuchi Third Mizukage Mū Minato Namikaze Ōnoki Rasa Reto Hiruzen Sarutobi Hashirama Senju Tobirama Senju Shamon Mei Terumī Tsunade Yagura