Johan Yuki is the son of Jaden and Alexis and the main protagonist of Yu-Gi-Oh! NG. Johan is a new student of Domino Middle School who just enrolled to and a new beginner.
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 white strips.
Johan is passionate, fun-loving, head-strong, cheerful, enthusiastic, kind, confident and friendly young boy.
Johan's Deck theme is Neo Elemental Hero, Warrior-Type monsters and neo version of elemental heroes that uses Fusion Summon is Tandem.