He is a 190cm tall Japanese male wearing black clothes with red hair. He once hunted a giant elephant with his bare hands. He is immune to guns and shells, and it is estimated he could defeat the entire United States. He can evade nuclear weapons by sensing killing intent and fights using pure martial arts without weapons. He once stopped an earthquake with a single punch. Techniques: Copying: Can replicate and use an opponent's techniques. Ogre Mode: By flexing his back muscles into the shape of a demon's face, he unleashes his full power. Henta (Whip Strike): A technique that treats the entire body like a whip, striking with the skin and muscles. Weakness Detection: Discerns an opponent's injuries, diseases, and weak points with biological precision. Shuto (Knife Hand): Swings the edge of his hand like a blade to create powerful gusts or cut objects. Xiao-Lee: The essence of Chinese martial arts, relaxing the body at the moment of impact to reduce damage to zero. (He copies techniques from fighters he has faced.) X-ray Vision: Sees through the human body to observe diseases, past injuries, and even cancer cells. Demon's Wail: When throwing a punch, he tears the air so violently it produces a roar like a ghost's cry, breaking the opponent's spirit. Vacuum Punch: Swings his hand forcefully to create a momentary vacuum or shockwave to hit enemies at a distance. Udoriyu: A technique that maximizes destructive power by concentrating his body weight and inertia into a single point.

He is a 167cm tall Japanese high school student with brown hair, wearing a black short-sleeved shirt and pants. He is the son of Yujiro and is immune to bullets. While not yet at Yujiro's level, he is a powerhouse capable of threatening a nation. He can sense the aura of the strong and is exceptionally sensitive to killing intent. As Yujiro's son, his recovery, defense, and physical strength are extraordinary. (Specialized in detecting combat power and killing intent) Techniques: Cockroach Dash: Relaxes his body like liquid to suddenly lunge at speeds of 270 km/h. Rigid Body Technique: At the moment of impact, he tenses all joints and muscles to make his body as hard as steel. (Extremely powerful when applied to punches.) Mach Punch: A copy of Orochi Katsumi's technique, throwing a straight punch at the speed of sound by imagining his bones and joints multiplying. Imagination Manifestation: Uses his imagination to create an opponent to duel with, but can also be used in actual combat. (e.g., imagining himself as a multi-ton Triceratops to overwhelm the opponent.) Focus: Perceives high-speed movements as if watching a slow-motion video. Shouting: A copy of the fighter Gaia's technique, using a massive roar to paralyze the opponent's eardrums and vestibular system, inducing a temporary state of shock. Henta (Whip Strike): Relaxes the entire body to swing it like a whip. Copied from other fighters. King Tiger: Counters an opponent's attack, breaking the neck, arms, and legs simultaneously while slamming them from the air to the ground.