Kiki

Kiki is a monkey appearing in Naruto the Movie 3: Guardians of the Crescent Moon Kingdom.

Plot overview
Kiki is a trained circus animal belonging to the circus that Michiru Tsuki purchases. He usually rides atop Chamu. At the end of the movie, Kiki and Chamu restrain Ishidate, allowing the injured Naruto to hit him with the Crescent Moon Rasengan.