Johan resembles to both of his parents in about equal manner. His brown hair is styled similarly to his father but with his mother's bangs and with dark blonde tone. His eyes are sharped like Jaden's but round and the irises and a brown like his father's hair color.
In his middle school uniform he wears a long-sleeved jacket with a collared white shirt underneath and a pair of trousers similar to Domino high school uniform with a red undershirt.
In casual clothes he wears a red and white non-sleeved jacket with a white decorative shape with a darker red broder on the chest of the jacket, white pockets, a red hood and white long-sleeved undershirt and black pants.
In both he wears red and black shoes with black shoe laces.
Johan is passionate, fun-loving, cheerful, head-strong, courageous, enthusiastic, kind and confident young boy. He is a friendly and caring boy, seeing as he making friends with everyone. He is highly intuitive and adaptable and he is a quick learner. Like his father, Johan likes to solve most of his problems and other's problems by dueling.
Johan Yuki was born to both Jaden Yuki and Alexis Rhodes in Domino City after they both graduated from Duel Academy and then got married and had him and his older sister Anna Yuki. Despite being a new beginner as a student and a duelist he has much of his father's dueling skills.
Jaden and Alexis
Johan's Deck theme is Neo Elemental Hero, Warrior-Type Monsters and is the neo version of elemental heroes that uses Fusion Summon is Tandem.