Daikoku Funeno

is a chūnin of Konohagakure where he serves as a teacher at the Academy.

Background
When Sasuke enrolled at the Academy, Daikoku reminisces about Itachi's time as a student. He states that Itachi was the most gifted student he had ever had, and expected great things from Sasuke as well.

Appearance
Daikoku is a fairly large man with brown hair and a goatee. He wears the standard uniform of the Konoha shinobi inclusive flak jacket and a forehead protector that he wears like a bandanna.

Twelve Guardian Ninja
In the anime, after the power goes out in the village, he and several other chūnin are ordered by the Fifth Hokage to keep an eye out, in case of an attack during the power outage.

Past Arc: The Locus of Konoha
In the anime, during the aftermath of Pain's assault on Konoha, he met with his fellow tutors Iruka Umino and Suzume, making preparations to search for and salvage anything that could be used for class.

Trivia

 * In Naruto: Shippūden episode 452 credits, his name is written as "大黒".