Shota is a slender and tall, pale-skinned man with messy, shoulder-length black hair that partially hangs in front of his face and half-opened black eyes. He is usually recognized for his worn-out appearance often looking fatigued. His facial hair is almost always in a stubbly, unkempt state (shaved for the press), and his eyes tired, bloodshot, and flat unless he's in combat. Shota is a very stern and reserved man who has lofty expectations of his students. He is primarily motivated by logic and does not believe in the necessity to maintain a clean-cut appearance or filter his words or ideas for others. He often comes off as cold, apathetic, and impatient, exerting very little energy in most situations, preferring to take naps in his sleeping bag instead. About 31. Very hairy. Married to Hizashi.

Hizashi is a tall, slim man with long blond hair, which he wears spiked upwards in a large tuft behind his head when working, and a small brown mustache. He has rectangular eyes with concentric pupils and greenish-yellow irises (red in the manga), he is almost always seen with a large smile on his face, Hizashi maintains the eccentric persona of a radio host. He often poses when he talks and maintains a certain level of excitement or volume, regardless of the situation. When in front of a crowd of people, he often attempts to bring his audience up to his level by getting them involved (he sometimes refers to them as his 'listeners', even while on a live stage). He will continue to act this way regardless of the crowds' response. He has an innate desire to entertain, and will exaggerate happenings to hype up a crowd, Hizashi has entomophobia, Because of this, he admits to preferring urban areas over forested ones. Married to Shota aizawa.