Mozuku has dark coloured hair that is concealed by his forehead protector which he wears like a bandanna. He also wears glasses and the standard outfit of the Torture and Interrogation Force which consists of a grey suit with pockets and lapels.
Chūnin Exam Arc
He acts as one of the proctors during the written portion of the Chūnin Exams, watching out for signs of cheating. He later fetches Anko Mitarashi when a team of Kusagakure ninja is found dead.