Tsuchigomori is a tall, lanky man. He has spiky black hair with long white fringes and purple eyes.While Tsuchigomori seems like a normal, caring and somewhat meek teacher in his human disguise, he is actually sarcastic, mischievous and quite short-tempered. He's also shown to be quite sadistic. Additionally, he seems to dislike people prying into his private life.Although he is a teacher, he is shown to dislike children because of their noisy attitudes.