Kabuto's Sensei

He is a jōnin-level shinobi of Konohagakure and the commander of Kabuto's genin team.

Background
During the Chūnin Exams, he was in a team consisting of Anko Mitarashi and an unknown genin battling against Hayate Gekkō, Ibiki Morino and Tokara.

Appearance
He has short, sandy-brown hair and dark eyes. He wore glasses along with the standard Konoha-nin inclusive of flak jacket, forehead protector and sandals. The shirt he wore underneath his flack jacket came all the way up to his chin. When he was a genin he wore a simple black outfit with bandages around his ankles and arm-guards.

Trivia

 * He is not seen again in the manga until chapter 599 in a flashback, but he does appears in the anime on several occasions such as:
 * Attending Hiruzen Sarutobi's funeral.
 * As a member of the Nijū Shōtai.
 * He also made a brief appearance in Naruto: Shippūden episode 193, as part of the tactical division of protecting Konoha alongside Sabiru and other ninja.
 * He also made another appearance in Naruto: Shippūden episode 239.
 * He was also seen in amongst the villagers in Naruto 5: Blood Prison during Naruto Uzumaki's flashback to the members of the village when he was gathering natural energy to enter Sage Mode.
 * Since he was on the same team as Anko during the Chūnin Exams, it can be presumed he was also a student of Orochimaru.