Shiba (Kusagakure)

Tsuba was a Chunin from Kusagakure in the Naruto series.

Chunin Exams; Third Stage
He and Midori was the personal guards of the Grass Daimyo. He and Midori were ordered right before the last match to make Gaara lose to Sasuke Uchiha, making their daimyo win a bet with the Waterfall Daimyo. Gaara was quite mad and killed them both, which saved Naruto and Shikamaru from the same destiny.

Post-Chunin Exams
Tsuba appears in the backround of the OVA; Finally A Clash: Jonin VS Genin, behind Sasuke, when he calls Naruto a dumbass.