Ōkei

is a chūnin of Konohagakure.

Appearance
He has short dark-coloured hair and wore glasses. His attire consisted of a black shirt with the kanji for on the back, a sash around his waist and brown-coloured pants. He also wore his blue Konoha forehead protector in a bandanna style.

Chūnin Exams
Ōkei and Hayase were inserted into the first phase of the Chūnin Exams so that other examinees could cheat off them.

Trivia

 * ōkei when translated can mean "Concavity".