Yūra

was a sleeper agent of Sasori.

Background
As a Sunagakure ninja, he served as a trusted member of the Kazekage advisory council of Suna for four years.

Kazekage Rescue Arc
He was also assigned to command the defence of Suna at the time Gaara, the Fifth Kazekage, was kidnapped. He was in charge of guarding the gate when Sasori lifted the jutsu that was blocking memories of him, Yūra killed all the guards to allow Sasori's partner, Deidara, into the village. Yūra was later used by Pain as a sacrifice for the Shapeshifting Technique, becoming a replica of Itachi Uchiha. This replica was defeated by Naruto with the Great Ball Rasengan. His corpse was later devoured by Zetsu.

Trivia

 * In the English Dub, his face upon death isn't shown.