|Real name||Hayden Yuki|
|Deck||Knight HERO/Mythic Beasts|
|Occupation||Student of Duel Academy|
|Dormitory||Advanced Obelisk Blue|
|Appearances||The Coming of Shadows|
Hayden Yuki is the older brother of Jaden and Reina Yuki and the love interest of Brooke Rivers. He duels with Knight based HERO Deck. He is best friends with Zane Truesdale, Alexandria Aarons, Atticus Rhodes, and Brooke Rivers.
He has short spiky brown hair with bronze tips, and brown eyes and tanned skin. He wears an Obelisk Blue Blazer Jacket, with a black long sleeved shirt underneath with dark blue pants. He wears an Academy-issued Duel Disk on his left arm and his Deck case is clipped to the left side of a dark blue belt.
He has a Zane-like personality, but he doesn't act cold to his younger siblings like Zane does to Syrus. He would also encourage them to keep trying to become stronger duelists. He is protective of his younger siblings and will break your legs if he finds out that they've have been harmed in any way. He isn't a typical elitist Obelisk, he shows respect to all the dorms, and encourages them to become better duelist. He commands respect and authority. He also respects his cards and cares for them greatly.
Hayden was a skilled duelist having moved from the bottom up. He also had the ability to see Duel Spirits with his partners being Winged KuriKnight and Yeriel.
Hayden is the first born son and child of Mr. and Mrs. Yuki and the older brother of twins, Jaden and Reyna. He lived a happy life with his parents but then one day they got into a fight which resulted in them spliting for a few days.
Time at Duel Academy
He is friends with Zane, Atticus, and Yusuke. He also befriended Reika and sees her as another little sister of his. He was the first person to beat Zane in Duel Academy.
At some point in time, Zane and Hayden dueled to decide who would be the Kaiser. Even though Hayden won, he let Zane get the title, Kaiser.