Chuukichi (, Chukichi) was a famed Kirigakure shinobi.
He was a well noted shinobi during his lifetime, enough to justify his inclusion as a sensor and a backup within Akatsuki's Surprise Attack and Diversion Platoon, alongside Deidara, Sasori and Shin.
Manga Debut: Chapter #516
Anime Debut: Naruto Shippuden Episode #261
(Source: Narutopedia)