Tetchō has a much more serious personality, though he still fits the bill as an eccentric fellow. He believes the armed Detective Agency are not innocent. He is from Japan Yokohama he likes to eat weird food combinations for instance, he has the habit of combining similar-colored food and eating them. he puts sugar on white rice, and sauce for noodles on yokan. He is enemies with the Armed Detective Agency he is also the least cruel of the hunting dogs and dislikes torturing other but is blunt.