His facial features are always hidden by his thick beard and hat. He has a deep booming voice which makes him appear to be much older than he seems.
He is a dependable and a man of few words. Like Kumatsuka Satoru, he is shown to be attached to his daughter though not on the same fanatical level. He is also a loving husband to Yukari.
He is the father of the baby, Midori and married to Yukari, the school secretary.