Tecchou Suehiro

Compared to his peers, Tetchō has a much more serious personality, though he still fits the bill as an eccentric fellow. For instance, he habitually combines similar-colored food and eats them. For example, he puts shichimi spice on strawberries, sugar on white rice, and sauce for noodles on yōkan. He is also shown to eat a hard-boiled egg with its shell still on, observe an ant colony for eight straight hours, and perform muscle training intermittently, even during meetings

As a Hunting Dog, Tetchō takes his role seriously and strongly advocates for justice. Thus far, he seems to be the least cruel among the Hunting Dogs, voicing out his dislike for people who torture others during their investigations, including Saigiku Jōno. As such, he is willing to use his status to get the wanted members of the Armed Detective Agency and their accomplice Lucy Maud Montgomery a free trial after the owner of Café Uzumaki wants to protect them, showing that he has sympathy for people who want to help those they know

Tetchō is a young man with wild brown hair that strays in numerous directions, with bangs falling in front of his face. He also has two thin pieces of hair that are longer than the others in the back. He wears the standard Hunting Dogs uniform. Beneath his left eye, he has three distinctive markings.