|Manga||Volume #58, Chapter #545|
|Anime||Naruto Shippūden Episode #296|
|Appears in||Anime, Manga|
F (エフ, Efu, English TV: Eff) is a Kumogakure shinobi.
F has short spiky hair, a well-defined nose, a small goatee and wore the standard uniform of Kumogakure shinobi along with the forehead protector.