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A character subpage from the Yu-Gi-Oh! GX anime and manga series, Oddly Named Sequel to Yu-Gi-Oh!. For the main character page, see here.

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Main Characters

    Jaden Yuki (Judai Yuki)
Voiced by: KENN (Japanese), Matthew Charles (English)

The top student at Duel Academy and the series protagonist. Jaden is happy-go-lucky and eager to prove himself. He's a dueling prodigy, but is regularly mentioned to have awful grades and often sleeps through or skips classes. Since his character in the first two seasons in near nonidentical from the second half of Season 3 and Season 4, we had to split it into three different sections.

He uses an Elemental Hero deck, augmented with Neospacians in Season 2.

  • Almighty Janitor: Is Slifer Red, the lowest tier that is mocked for being full of stereotypical losers, but is the best duelist in the academy. And he actually received a promotion to Ra Yellow once, but decided to turn it down.
  • Ambiguously Bi: On one hand, he's so oblivious to female romance that his Tag Force profile goes out of its way to mention it., says things like "Washing each other's backs naked brings us guys closer together!", and is so close to Jesse they could easily have been interpreted as dating. On the other, he does blush around female duel monsters and canonically loves Yubel, a Hermaphrodite. In the end Jaden's sexuality is really ambiguous.
  • Anime Hair: Averted. He has the most normal-looking hair out of all the Yu-Gi-Oh franchise's main characters, and his multicolored hair is brown and lighter brown - colors that are actually realistic in real life.
  • Bash Brothers: With Syrus against the Paradox brothers. Also, with Jesse on two occasions.
  • Big Brother Mentor: To Syrus and Hassleberry.
  • Big Eater: Jaden's appetite knows no limits.
  • Bond Creatures: His spirit partners include: Winged Kuriboh since the beginning; in Season 2, Elemental Hero Neos and the Neo Spacians were added; in Season 3, it's revealed during his childhood he also had Yubel, but was separated for reasons, they are included in Season 4 however.
  • Book Dumb: He's a dueling prodigy, but is regularly mentioned to have awful grades and often sleeps through or skips classes.
  • Born Lucky: Even outside of dueling he is lucky enough to have went on a 10-day streak of drawing the Golden Eggwich correctly, a type of food made in Duel Academy's cafeteria and hidden among the rest of the sandwiches.
  • Character Development: As you will notice while scrolling further below.
  • Catchphrase: "Gotcha!" in the original / "And That's Game!" in the dub..
    • "Get Your Game On!" in the dub when starting a duel.
  • Chosen One: To wield the Darkness of Justice.
  • Chronic Hero Syndrome: He's ever ready to stand and fight for his friends. Deconstructed horribly in Season 3, where his desire to rescue Jesse ends up overriding reason and causing a lot of trouble for everyone.
  • Combat Compliment: He always shows respect towards his opponents, with a few exceptions, even complimenting them and their cards during a duel.
  • Contrasting Sequel Main Character: Is a more laid-back and carefree person than Yugi was. In fact his personality and dialogue have more in common with Joey/Jonouchi than the actual main character. He even provides the trope image with his successor Yusei.
  • Even the Guys Want Him: Sho and Kenzan really likes him, and his close relationship with Johan manages to make Yubel jealous.
  • Expy: Of Yugi Mutou (in his role as the hero and his skill) and Joey Wheeler/Jonouchi (in his personality). Over time, he becomes more like Yami Yugi.
  • First-Name Basis: In the Japanese version where referring to another one by last name is seen as either respectful or distant, everybody calls him Judai. There is absolutely no exception no matter who they are and what kind of personality they have (aside from Sho and Kenzan who call him "Aniki" (roughly meaning "boss" or "big bro") because they admire him). And even if his last name got referenced, it would be a Full-Name Basis rather than just Last-Name Basis.
  • The Fool: To the point that Sartorius uses the eponymous tarot card to represent Jaden in his predictions.
  • Giving Someone the Pointer Finger: Always accompanied by his Catchphrase.
  • The Hero: He's the heroic duelist that wins all the plot important matches.
  • The Hero Dies: In the English dub, since the season after he "got sent to the stars" was never dubbed.
  • I See Duel Monster Spirits: He can see and talk with duel monster spirits.
  • The Idealist: Played up most in Season 4, but whenever there's a duel involved he'll never doubt himself or his friends as long as a card can be drawn.
  • Ink-Suit Actor: Jaden looks a fair bit like a younger version of his Japanese voice actor, KENN.
  • Kirk Summation: Very often.
  • The Magic Poker Equation: There are real life duelists who would kill for the luck Jaden has, able to top deck the exact card he needs several times per duel. To recap repeated sights with his duels:
    • If he has no hand he'll probably draw Bubbleman, Fifth Hope, Pot of Greed, or something else that lets him draw more cards, and it's not uncommon to draw something that lets him draw even more.
    • Any time he ever plays A Hero Emerges his opponent will always pick a monster, even if he has multiple cards in his hand.
    • If he uses a card like Card Trooper to mill cards from his deck, every time he does one of the milled cards is Necroshade or Necro Gardna, and later in the duel he'll probably draw Miracle Fusion or Miracle Contact to use the other cards sent to the Graveyard.
    • To illustrate just how lucky his draws are, in one duel, he needs to draw a monster on his next turn in order to win, so he uses another card to put Neos (of which he only has one copy) on the top of his deck. However, his opponent then activates a card which lets him shuffle Jaden's deck, and he makes a big show of shuffling his deck very thoroughly. Jaden draws Neos anyway.
  • Magnetic Hero: Ninety-five percent of the people he duels become his friends afterwards. Lampshaded in-universe.
    • Elaborated further with his friendship with Jim Crocodile Cook, whom Jaden was able to befriend in a short time but receive great loyalty from Jim. (He's Australian.)
  • Meaningful Name: Yuuki Juudai —> "a courageous teenager". ... No kidding.
    • There's another aspect to Yuuki. The yuu is the kanji meaning "game"—the same "yuu" that shows up somewhere in all other Yu-Gi-Oh! series' protagonists' names. Plus the ki can also be pronouned jou, which means that an alternate pronunciation of Yuuki is yuujou—"friendship."
    • His English name, Jaden, also is spelled similar to both Jadaun, a family of former rulers and kings of Jalesar and Karauli, and Jadon, which is Hebrew for "thankful" or "he will judge".
  • Nice Guy: Jaden is very cheerful, easygoing, and extremely friendly. He gives everyone a chance and has a very welcoming persona.
  • Oblivious to Love: Towards Alexis. He never acknowledges that Alexis may have feelings towards him in a romantic way.
  • Odd Name Out: Out of the six protagonists in the series, Judai is the only one whose first name doesn't start with "Yu". His last name Yuki does have a "Yu" but because that's a last name, it doesn't really count. And he's also the only protagonist to have his name changed into an English one "Jaden", while everyone else keep their Japanese names.
  • Red Is Heroic: His Slifer Red jacket.
  • Rousing Speech: Has a talent for boosting the confidence of his friends whenever they need motivation in a duel. Like when he talked Syrus into dueling Zane.
  • Rule of Fun: What duels are all about.
  • Selective Obliviousness: He seems ignorant of the dislike that other individuals have for him, as despite the obvious tension between his rivals, he considers himself to be good friends with Chazz and Aster.
  • Ship Tease:
    • With Asuka, although it's a bit one-sided from her part. She's got a huge crush on him and she is Judai's closest female friend whom he, while dearly cherishes, does not love back.
    • With Johan, and in this instance Judai actually shows signs of liking him back, enough that his Stalker with a Crush Yubel has to point out.
    • Subverted with Yubel. Even though they have no ship-teasy moment with him (at least, one that does not creep you out), they are the one whom he ends up with in the end.
  • Signature Move: In Season 1, he would win several duels with Elemental Hero Flame Wingman. Even when it wasn't his strongest monster later on, he still admits it's his favourite.
  • Technician vs. Performer: Leans very highly towards the performer side in his dueling. Lampshaded in his duel with Zane, when he calls Jaden out for being too technical and therefore uncertain in his strategy.
  • To Be a Master: To be the best duelist.
  • Token Super: Jaden is later accompanied by Yubel, formerly a Arc Villain before having a Heel–Face Turn when Jaden fuses with them. From there on in, Jaden can harness Yubel's power as a Super Mode which manifests an Eye Colour Change.
  • Trade Mark Favorite Food: Fried shrimp and egg sandwiches.
  • True Companions: He seems to inadvertently make new friends without trying; commented on in-universe.
  • Weak, but Skilled: Discounting his fusions and a few pointed exceptions such as Neos or Bladedge, the majority of his monsters don't have much in the way of attack points. They tend to make up for it with a variety of effects pulled of by or through them.

Tropes exclusive to him in the Shadow Riders and Society of Light arcs:

  • The Ace: One of the best duelists in the academy and regularly proves it.
  • All-Loving Hero: No matter who you are, how evil you are, or how much you hate him, Jaden will have fun dueling you and make sure you enjoy it too.
  • Asleep in Class: Shown more than once. He has a mask with eyes on it.
  • Bad Dreams: Unable to shake his fears regarding the Shadow Riders, Jaden had nightmares about the destruction of his friends and is suddenly challenged to a Duel by the Duel Monster Spirit Kaibaman. Ultimately, Kaibaman defeats Jaden with Blue-Eyes Ultimate Dragon which Jaden recognizes as the monster that defeated him in his nightmare, but reveals that he is not actually a Shadow Rider and really Dueled Jaden in order to ease Jaden's fear of losing.
  • Beat Them at Their Own Game:
  • Blithe Spirit: Everyone is bewildered by Jaden being a great duelist in spite of his incredibly laid-back attitude and poor grades when other students work their butts off to get into the academy and get the recognition he has.
  • Cavalier Competitor: There's nothing Jaden loves more than a good duel.
  • Chaste Hero: One must wonder how sheltered he must be from the world outside of dueling if he doesn't even know what 'fiancee' means...
  • Cool Loser: In the first season considering he is a Slifer Red.
  • Determinator: "The duel's not over until the last card is played!"
  • Ditzy Genius: A brilliant duelist but lacks common sense outside of it.
  • Fatal Flaw: Sloth. He's either ignorant to what's going on around him, or extremely slow to act on it. Despite his substantial skill, he's a very reactive thinker. The main reason the Society of Light got such a foothold was that he didn't step up to stop them aside from defeating anyone they threw at him until it was already almost too late.
  • Go Back to the Source: He gets over not being able to see his cards by meeting the cards he designed when was a child for a Kaiba Corp contest when he first began his passion for dueling, his new Neo Space deck promptly restores his love of dueling and restores his old cards as well.
  • Heroic BSoD: He has a slight episode (or few) when he is defeated by Aster and loses the ability to see his cards. This ends when he meets the Neo Spacians and they restore his love of dueling.
  • Ideal Hero: Subverted; all of Jaden's friends think he's one of these, ignoring his obvious flaws such his carelessness, laziness, and obliviousness to anything that doesn't involve dueling. It's all but stated that Jaden's actually a pretty bad influence, and it actually becomes a plot point.
  • Idiot Hero: See Book Dumb above. Particularly in the first two seasons, Jaden is flat stupid when he isn't dueling.
  • "I Know You're in There Somewhere" Fight: In Season 2, his duels to save Chazz and Alexis from the Society of Light.
  • Indy Ploy: As per tradition, Jaden's reliance on on-the-spot combos and luck is contrast with his rivals and antagonists who rely on strategic and/or overpowering decks.
  • Invincible Hero: He almost never loses, and when he does it's often a major plot point.
  • Keet: Cheerful, happy-go-lucky, and easy-going.
  • Nice Guy: Jaden is friendly, optimistic, supportive, encouraging, cheerful, and happy-go-lucky.
  • Next Tier Power-Up: During his Heroic BSoD after his loss to Aster, he gains a new deck of Neo Spacians and Elemental Hero Neos. These are cards he made as a child that fall from outer space to aid him.
  • Or Was It a Dream?/That Was Not a Dream: He was confused if he actually met aliens until he had a look at his new deck with the power of Neo Space.
  • Poor, Predictable Rock: By Season 2, everyone knew about Jaden's Elemental Hero deck and he's easily defeated by Aster because Aster was familiar with all of them. Subverted however, once Jaden gets his Neo Spacian deck of Heroes no one has ever seen before.
  • Prodigal Hero: In Season 2, he leaves Duel Academy after losing to Aster and being unable to see his cards. Stuck out at sea, a cosmic phenomenon causes him to venture out into Neo Space where Aqua Dolphin informs him of the danger that season. After triumphing against an alien of light with his new deck, he returns to Duel Academy to defeat Aster and save his dorm from demolition.
  • Protective Charm: During the Shadow Riders arc he wears a Shadow Charm as a necklace. One half he won beating the Gravekeeper's Chief and the other half beating Nightshroud. In his duel with Camula, his Shadow Charm negates Camula's own Shadow Charm magic when she tries to put all of his friends' souls at stake through "Illusion Gate".
  • "The Reason You Suck" Speech: The recipient of one from Aster of their use of Hero cards. Aster is motivated because of his past history of his father's murder in comparison to Jaden, who doesn't have a purpose like that and usually just randomly helps people.
  • Screw Destiny/Immune to Fate: His power and what makes him interesting to Sartorius in Season 2.
  • Shut Up, Hannibal!: Strangely not to the actual villain in this case; when Zane was trying to break down Syrus in Season 2, Jaden reminded Syrus how important it was to duel with respect and helped Syrus maintain his morals.
  • Skilled, but Naïve: As a new student at Duel Academy, he beats Professor Crowler and many of the best duelists in his year, but still had a lot of hardships ahead of him.
  • The Slacker: He sleeps through literally every class he's in and never does his classwork. Fortunately, he's talented enough to pull it off.
  • Small Steps Hero: Most notably when he decided to save Aster by handing over his satellite key to Sartorius before challenging him to a duel.
  • Strategy Schmategy: Zane even manages to convince him his strength in dueling is his unpredictably.
  • Think Nothing of It: To anyone he helps.
  • Tiger Versus Dragon: The Dragon to Bastion's Tiger.
  • Warrior Therapist: He's constantly telling his Serious Business-thinking opponents to relax and just enjoy the duel.
  • Wide-Eyed Idealist: He is much more light-hearted and cheerful than the other characters, and almost never angsts.
  • Wrong Genre Savvy: Make sure you realize what show you're in before you think of Duel Monsters as, "just a game".

Tropes exclusive to him in the Dimension World arc:

  • Angry Eyebrows: When Jaden lost his friends his expression switched to pure anger towards Brron.
  • Appeal to Force: The Supreme King's attitude.
  • Arc Villain: The Supreme King is the main antagonist for several episodes before being defeated.
  • Asskicking Equals Authority: The Supreme King commands an army of ruthless Evil Minions capable of decimating entire villages. As soon as the Supreme King is defeated, one of his previous minions seeks out Jaden to build his reputation by defeating him.
  • Attack! Attack! Attack!: Enraged by the loss of his friends, Jaden continuously attacks Brron with Neos with several combos with the intent of destroying Brron's monster over and over until he feels better. Unfortunately Brron couldn't keep up.
  • Bad Powers, Good People: When Jaden chooses to embrace the Supreme King's power against Yubel in their last duel. Subverted when it is revealed to be the Gentle Darkness, the power to oppose the Light of Destruction.
  • Battle Aura: The Supreme King can emit darkness powerful enough to generate shock waves and create a dark aura around himself. While dueling, his opponents as well as spectators feel an enormous pressure coming from him, which can intimidate powerful duelists such as Axel to cower in fear of him.
  • Battle in the Center of the Mind: This is seen through the Eye of Orichalcum. The Supreme King using Jaden's guilt to maintain control.
  • Became Their Own Antithesis: Jaden becomes the Supreme King, someone who indirectly and directly hurt his friends.
  • Being Tortured Makes You Evil: Seeing his friends die in his duel with Brron.
  • Beware the Nice Ones: After being pushed to the limit by Brron, he snaps into a fit of rage, and after becomes the Big Bad for a few episodes.
  • Black Knight: As the Supreme King he's an evil Tin Tyrant clad in black armor.
  • Break the Cutie: Yubel's scheme to have all of Jaden's friends killed has this effect on him.
  • Broken Ace: As part of the Deconstruction of The Ace.
  • Broken Messiah: His failure to save his friends has driven him over the edge.
  • Broken Pedestal: To several of his friends, mainly Syrus. Even post Supreme King, Syrus continues to doubt whether Jaden can control himself and if he can save everyone.
  • Creepy Monotone: Although Jaden and The Supreme King are both played by the same voice actor (in both versions), their voices are much different. In the Japanese version, The Supreme King's voice is much deeper and foreboding in Jaden's subconscious while it is still Jaden's voice, but harsher and forceful on the outside though it is in a monotone. In the English version his voice is a harsher version of Jaden's voice complete with electronic effects; and while his voice does show emotion, it's never anything more than anger.
  • Creepy Shadowed Undereyes: Has deep eye shadows to highlight his sinister appearance when using the Supreme King's powers.
  • The Dark Side Will Make You Forget: Becoming the Supreme King made him forget all of the friends he'd lost, or that he even had friends in the first place.
  • Deconstruction: Of all of the above listed tropes in previous seasons. The second half of Season 3 examines what happens when the Idiot Hero who duels for fun is pitted against Chessmaster extra-dimensional invaders who duel to the death, manipulate the hero rather than directly fight him until it's necessary, and use his friends as antes. The results are not pretty.
  • Death Seeker: For a bit during his Heroic BSoD. He finds himself in front of the site of his friend's deaths confronted by a former evil minion looking to usurp his previous status. Jaden accepts his challenge, determining that since his friends died here, it would be a suitable punishment for himself. Until he learns Yubel was behind everything and chooses to win that duel.
  • Determinator: In the original, during the final duel he constantly reminds Yubel he won't be defeated.
  • Devoted to You: In a past life, Yubel offered to be transformed into a Duel Monster to protect him forever, this moved Jaden's past self to the point of devoting himself to loving his only friend and never forgetting Yubel. Learning this leads Jaden to forgive Yubel and fusing themselves together.
  • Evil Costume Switch: Dons a suit of black armor as the Supreme King. Also, his Elemental Hero cards are the "darker" alternate art versions used by Aster.
  • Evil Makeover: For his monsters, the Supreme King uses Evil Heroes.
  • Evil Me Scares Me: The very thought that he was once the Supreme King freaks Jaden out significantly. It takes him a while to get over it.
  • Evil Overlord: The Supreme King.
  • Evil Wears Black: Wears black armor as the Supreme King.
  • Face–Heel Turn: Goes from the main hero to the main villain for several episodes.
  • Face Your Fears: At the end of the season using fusion and using the Supreme King's power to confront Yubel.
  • Fallen Hero: You don't fall much further than going from All-Loving Hero to Evil Overlord.
  • Fatal Flaw: His impulsiveness.
  • Fist of Rage: Has this habit when using the Supreme King's power against Brron and Yubel.
  • Fusion Dance: Of the Power Boost variety, with Yubel at the end of the Season.
  • Get a Hold of Yourself, Man!: Gets this from Bastion from his turmoil as the Supreme King.
  • The Gloves Come Off: Against Brron, he's unable to attack and stuck in thought, and when his friends are sacrificed he absolutely snaps into a fit of rage awakening the Supreme King. Again in his last duel with Yubel he uses the Supreme King's power, accepting that their defeat is the final solution, but isn't actually.
  • He Who Fights Monsters: The constant dueling to save the world finally takes its toll on him, and he becomes just a ruthless and victory-driven as the antagonists he's been fighting.
  • The Hero Dies: Subverted in the last episode of this season when his friends, except Syrus, believe he may never return after his supposed Heroic Sacrifice, but he does.
  • Heroic BSoD: Post-Supreme King, up until he duels Yubel and saves Jesse.
  • Heroic Resolve: When he plays Super Polymerization and rescues Jesse from Yubel and at the end when he returns everyone home to Duel Academy.
  • Heroic Sacrifice: Subverted. Syrus believes this was his aim, but Jaden had another solution in mind with Yubel.
  • I Am the Supreme King: In the last duel with Yubel.
  • I Did What I Had to Do: Syrus points out Jaden had no other alternative than to sacrifice Rainbow Neos to prevent losing the duel at one point to Yubel.
  • "I Know You're in There Somewhere" Fight: His duel to save Jesse from Yubel.
  • I Let Gwen Stacy Die: He feels responsible for his friends being killed by Brron.
  • It's All My Fault: Blames himself for Jesse's fate, which is why he's driven to save him now. Also for the apparent deaths of his friends.
  • Kick the Dog: The Supreme King does this when he kills Jim in a duel, although Jim was never dead from the result. On the receiving end of this after his duel With Brron, after the Failure Is the Only Option duel is finished. He's called out by Syrus, who came in mid game and thought he sacrificed them on purpose, who then leaves, disowning him as his "Big Bro" and Jim and Axel take their leave too, breaking him to the point he completely submits to the Supreme King and becomes the Temporary Villan for the season.
  • Leeroy Jenkins: His impulsiveness is deconstructed during this season.
  • Let's Get Dangerous!: He awakens the Supreme King's power when Brron kills his friends and uses them once again to duel against Yubel, determined to end them.
  • Magic Feather: Played with. He believes he needs a magical artifact like the Eye of Orichalcum or a powerful force like Exodia to confront Yubel and save Jesse, then his monsters appear in his mind to convince him otherwise.
  • Might Makes Right: The Supreme King firmly believes this, and promptly starts conquering the dimension once he takes control.
  • Must Make Amends: Post Heroic BSoD, Jaden becomes very dedicated to doing this.
  • My God, What Have I Done?: Once he realizes what his impulsive behavior has caused.
  • My Greatest Failure: Failing to save Jesse and turning to darkness.
  • Next Tier Power-Up: The Supreme King's power, followed by the powers he gets from Yubel.
  • Not Himself: Unlike Jaden, The Supreme King is cold, collected and ruthless, but always carries an air of intimidation as noted by Axel.
  • Not So Stoic: The Supreme King begins to panic when Axel runs towards him, revealing the duel ends in a draw, forcing the Eye of Orichalcum to free Jaden.
  • Not Worth Killing: The Supreme King doesn't personally handle duelists not brave enough to duel him, and even let Axel run away in fear after defeating Jim.
  • One-Man Army: In his search for Jesse, he single handedly defeats the Dark Army, going through their bases and defeating their King.
  • One True Love: The Supreme King considered Yubel his, and once he regains his memories, Jaden does too.
  • O.O.C. Is Serious Business: During his Heroic BSoD, he becomes unwilling to use his Polymerization card because he hurt so many using it as the Supreme King.
  • Past-Life Memories: The flashback he experiences revealing he is The Chosen One to wield The Sacred Darkness against the Light of Destruction, and also Yubel is the guardian of his vessel and a very dear friend sworn to his side.
  • Pay Evil unto Evil: The Supreme King's method of trying to avenge Jesse.
  • P.O.W. Camp: The Supreme King ran Duelist camps where his minions would capture duelists and bring them to the King, so he could defeat them to complete his Super Polymerization card.
  • Pragmatic Hero: Becomes this during his search for Jesse in the different dimension, he chooses to ignore the safety of his other friends to find Jesse. In the final duel, he resorts to using the Supreme King's power to oppose Yubel, and even regretfully sacrifices his most powerful monster Rainbow Neos to prevent losing the duel.
  • The Promise: Deconstructed, then reconstructed. His past self swore to love Yubel alone forever, but his present self is a Reincarnation that doesn't recall it, leading to a chain of events that caused them insanity and evil. Remembering that promise is what leads to him fusing their souls together, redeeming them both of their mistakes.
  • Protagonist Journey to Villain: The guilt of his friends dying as a result of his impulsive actions drives him to evil.
  • Rage Breaking Point: Guess.
  • Rebuilt Pedestal: To Syrus, once he witnesses Jaden unselfishly and seemingly sacrifice himself to return everyone home to Duel Academy.
  • Reincarnation: Learned he was the reincarnation of The Supreme King, The Chosen One to protect the universe.
  • Reincarnation Romance: The Supreme King was in love with Yubel, and his feelings carried over to Jaden; once he remembers their past, he forgives them, fuses their souls, and becomes an Official Couple with them.
  • Roaring Rampage of Revenge: Against Yubel when he uses the Supreme King's power against them.
  • The Sacred Darkness: The flashback during the duel with Yubel reveals the Supreme King's power is the power to oppose the Light of Destruction.
  • Slowly Slipping Into Evil: When he enters the different dimension in search of Jesse, he continues to place his other friends' lives in danger while fighting the Dark Army. When he feels closer to finding Jesse he grows less and less concerned over their safety, and they become captured by the Dark Army. Once they are sacrificed by Brron he becomes ruthless while avenging them and is told by Brron that Jesse died. Losing all hope, he becomes the Supreme King as a result, losing control because of his guilt over losing his friends. The Supreme King then defeats several duelists to complete the Super Polymerization, he kills Jim, and nearly takes over all the villages within that dimension until he is defeated by Axel.
  • Smiting Evil Feels Good: After Brron kills his friends, he outright says destroying Brron's monster over and over makes him feel better.
  • Spikes of Villainy: Part of the Supreme King's outfit. Doubles as Scary Impractical Armor.
  • Split-Personality Takeover: The Supreme King takes over his body.
  • The Stoic: As the Supreme King, Jaden no longer displays any emotion, even ignoring attacks from his opponents in duels and down to 200 Life points in his duel with Axel, remains completely composed. He even crosses into Tranquil Fury territory because of how ruthless his attacks can be.
  • Supernatural Gold Eyes: When using the Supreme King's powers, his eyes turn a shade of gold.
  • Superpowered Evil Side: The Supreme King. The Evil Hero monsters he uses as the Supreme King are also much more powerful than their Elemental Hero counterparts.
  • Sympathy for the Devil: Once he learns what Yubel has done for him, he acknowledges her sacrifices and forgives them, then fuses both their souls together.
  • Take a Third Option: Jaden decides to fuse his soul with Yubel's to end the conflict in Season 3.
  • Temporarily a Villain: The Supreme King is the main antagonist for about 4 or 5 episodes. Then he has to make way for the arc's real Big Bad, Yubel.
  • This Is Your Brain on Evil: He turns to ruthlessness to defeat Bronn, and when it works out, he keeps going. After he is horrified to learn what his actions have caused.
  • A Tragedy of Impulsiveness: Ignoring the safety of his friends lead to them being captured and sacrificed by the Dark Army.
  • Trauma Conga Line: Jesse is left behind in the different dimension as a result of Yubel who was after him. His friends are killed by Brron due to his impulsiveness and reckless behaviour in searching for Jesse. He becomes the Supreme King who kills dozens upon dozens of duelists to complete the Super Polymerization card, kills 2 friends trying to save him, and is horrified to learn what he has done. Then he loses 2 more friends who try to get him back on his feet and then he has to save Jesse who is possessed by Yubel.
  • Turn the Other Cheek: Once he learns what Yubel did in a past life.
  • Two Aliases, One Character: Bastion reveals to Jaden, that he and the Supreme King are the same person. From that moment Jaden has to accept he was completely responsible and work towards fixing his mistakes. Although it is open interpretation if Bastion was right since the Eye of Orichalcum revealed Jaden was being manipulated by a Super-Powered Evil Side, or if that was just symbolism of the inner conflict within Jaden's soul.
  • The Unfettered: As the Supreme King, his cruelty has no bounds as he is willing to sacrifice as many people as he has to in order to accomplish his goals along with his lack of remorse after defeating someone himself.
  • Unstoppable Rage: While using the Supreme King's powers, regardless of his cause.
  • Well-Intentioned Extremist: His entire shmick as the Supreme King was believing that you have to become evil to fight evil. He sorely regrets this later.
  • What the Hell, Hero?: He gets this from his friends who are captured by Brron because of him, before they are sacrificed for Brron's ritual.
  • Young Conqueror: Well since Jaden is still a teen... the Supreme King was basically this attempting to unite the dimension under his rule.

Tropes exclusive to him in the Darkness arc:

  • Anti-Hero: Type II on the sliding scale. He's still as heroic as he ever was, but he's far less cheery about it.
  • As Long as There is One Man: In response to Darkness's claim of As Long as There is Evil.
  • The Atoner: He continues to blame himself for all the problems the academy has faced and wants to safeguard his friends from further danger by refusing to involve them.
  • Aura Vision / Sensor Character: Using Yubel's powers he can see the auras of others, like when he checked to see if Sartorius was being controlled or when he saw the auras of the Egyptian Gods in Yugi's deck.
  • Badass Abnormal: Whatever he went through in the gap between seasons after he fused with Yubel caused Jaden to return to the academy much stronger and much stranger.
  • Charles Atlas Superpower: He was jumping on platforms while trying to escape from an exploding Kaiba Corp building, as well as jumping from building to building when he was attacked by Paradox in the movie.
  • Combo Platter Powers: Being fused with Yubel allows him to see past illusions, manifest Duel Spirits, grants him immunity to Darkness' Lotus-Eater Machine, and more.
  • Coming-of-Age Story: This season concludes with him learning to become much more responsible without letting go of who he is.
  • Comes Great Responsibility: Concerning his powers of the Supreme King.
  • Dark Is Not Evil: His powers over The Sacred Darkness remain.
  • Deadpan Snarker: Developed into one with his other darker tendencies.
  • Deconstruction: Continues the aftermath of the past season, realizing that many of the antagonists the heroes have faced have been drawn to the academy by him, and thus he's to blame for all the chaos of the series. As the season ends however, it leans more to a Reconstruction by restoring most of Jaden's Ideal Hero aspects.
  • Decon-Recon Switch: The season starts with him a changed person from the events of the previous season, and he appears a much more cynical person for it. As the season ends however, his previous optimistic traits return as he's determined to convince others, and himself unconsciously, that they can move past their doubts of either past mistakes or the fear of the future. And finally at the very end with his duel with Yugi, after 2 seasons of life and death duels, he rediscovers his passion for dueling again.
  • Determinator: Against Darkness.
  • Doom Magnet: By this point, he believes he has become this.
  • Duality Motif: He is shown to have Yubel's orange and green Mismatched Eyes.
  • Failure Knight: Losing his friends last season taught him what his friends mean to him and motivated him to try much harder to save them this season.
  • Fire-Forged Friends: He brings this trope up with a metaphor about cards. How a person starts with a seemingly regular card but after countless duels, good and bad, a powerful relationship is forged. In his case, Elemental Hero Neos.
  • Glowing Eyes of Doom: Whenever he uses Yubel's power.
  • Growing Up Sucks: Subverted in his duel against Darkness. Having already hit rock bottom, he's the only one unafraid of moving forward and eventually convinces everyone else to overcome this fear as well.
  • Grumpy Bear: He is very stern now.
  • Heroic Safe Mode: The reason he's the way he is now is because he's still broken after the previous season and has yet to fully recover.
  • Heroic Self-Deprecation: Played with and subverted. In the final duel with Darkness, it's brought to attention that Jaden is the only person left fighting for mankind, as everyone else has already given up. But Jaden points out he isn't as strong as he appears to be, having once been the Supreme King, and he fights to prove to everyone that despite their doubts and failures they can keep moving forward with their lives.
  • He’s Back: At the very end after dueling Yugi, it seems he's finally recovered his passion for dueling and is back to his old self.
  • Hurting Hero: His experiences last season have traumatized him into a moody shell of his former self. He gets better eventually.
  • In the End, You Are on Your Own: Initially played straight during his duel with Darkness, then subverted: first Yubel shows up to encourage him, then he convinces his friends to fight against the Lotus-Eater Machine and encourage them to not give up. This leads them all to appear while he deals the finishing blow to the Big Bad.
  • Ineffectual Loner: Minus the "Ineffectual" part, most of the times.
  • It Has Been an Honor: He thanks his deck after his last draw before defeating the Big Bad.
  • Jade-Colored Glasses: He is much more cynical than before.
  • Knight Errant: Becomes this by the end of the series after graduating from Duel Academy, deciding to search for those who he might be able to help with his powers of being able to connect with spirits.
  • The Knights Who Say "Squee!": When he travels back in time to meet Yugi.
  • Like an Old Married Couple: Yubel doesn't appear often, but when they do, their interactions have shades of this.
    Yubel: Judai, you're reckless and an idiot, but you can't fall here. Get up.
    Judai: (smiling) Can't you do something about your back talk first?
  • Lonely at the Top: Implied. Several characters comment that he has become something above humanity, which is partially the cause for his self-inflicted isolation.
  • My Greatest Failure: His actions as the Supreme King last season and his friends falling one by one because of it. He becomes much more determined to save his friends this season with this in mind.
  • Next Tier Power-Up: After last season's fusion with Yubel he uses their powers throughout this season, which are a hindrance to the Big Bad.
  • No Escape but Down: Jumped off an exploding skyscraper after the duel with Sartorius.
  • No-Sell: Anybody trying to play with his mind or fool him with illusions is in for a surprise.
  • Not Quite Human: Darkness viewed him as a "foreign object" that didn't belong in either world because he was a human who held a Duel Spirit within (referring to Yubel), and thus should be removed.
  • Not So Stoic: By his duel with Yugi, he's back expressing excitement every turn of the duel and having so much fun he breaks out into laughter with Yugi. Thanks to his duels alongside Alexis, he'd managed shades of this even before that in his duel against Fujiwara where he teamed up with Jesse. Their usual antics shine through and he even laughs heartily with his friend when they trick Fujiwara into believing that they're fighting each other now.
  • Official Couple: With Yubel.
  • Patrick Stewart Speech: How he saves humanity from Darkness: by convincing them they can move past their fears.
  • Powers via Possession: Yubel grants Jaden several abilities; seeing through illusions, manifesting Duel Spirits, immunity to Darkness' Lotus-Eater Machine, and more.
  • Psychic Block Defense: Having Yubel prevents anyone trying to manipulate his mind this season.
  • Rage Against the Mentor: Played for laughs with Banner — he dangles his spirit orb over a toilet as a threat.
  • Resigned to the Call: When Sartorius explains his theory of Darkness coming into power because of himself, Kagemaru and Jaden. Jaden lampshades how he unfortunately has to clean up their mistakes as well as his own.
  • Save Our Students: He does for Duel Academy, and the rest of the world apparently.
  • School Idol: Becomes one by this point to all the younger Duel Academy students.
  • Sharing a Body: With Yubel's spirit.
  • Shut Up, Hannibal!: To Darkness twice, after he and Jesse decided to Troll him by directing a few attacks at each other to build up enough to strike Darkness with. He isn't stupid enough to try and settle things with Jesse while the world's ending. He also denies that people aren't as strong as Darkness thinks.
  • Silly Rabbit, Idealism Is for Kids!: Subverted by the duel with Darkness.
  • Speed Run: His dueling style this season consists of ending his duels as quickly as possible.
  • Split Personality: With Yubel, though he's usually the one in control and they are now benign.
  • Stepford Smiler: Around his friends in the beginning of the season.
    • But once Jesse shows up he's back to his usual cheerful self, even when dueling against a powerful opponent.
  • The Stoic: Brooding and quiet in comparison to his Keet tendencies before.
  • Summon Magic: Using Yubel's powers, he summons Neos as a real monster in the real world whenever he's in danger.
  • Symbiotic Possession: With Yubel.
  • Tragic Dropout: He submits his Notification of Withdrawal to leave Duel Academy in the second episode realizing all the danger is drawn to him. Subverted a few episodes later when he decides to stay and eventually graduate from Duel Academy.
  • Unwitting Instigator of Doom: His events with Yubel in the third season are a contribution to the fourth season's Rising Conflict with Darkness.
  • What Is This Feeling?: When his hand starts shaking in his duel with Yugi, Yubel points out that he's having fun again.
  • "World of Cardboard" Speech: Brought up during the duels with Sartorius and Darkness about Jaden being corrupted by power, and Jaden responds that he now has responsibilities to use those powers against evil. Darkness calls him out for not understanding how helpless his friends are, and he responds that he isn't as strong as he appears to be and only continues fighting on sheer hope alone.
  • Worth Living For: Inspires those trapped within Darkness to break free.
  • You Are Better Than You Think You Are: Jaden convinces everyone trapped by Darkness to break free by restoring their faith in themselves, while at the same time accepting his past mistakes as the Supreme King and moving on.

    Syrus Truesdale (Sho Marufuji)

Voiced by: Masami Suzuki (Japanese), Wayne Grayson (English)

Jaden's best friend and sidekick, Syrus Truesdale, whose feelings for his friend toe the line between brotherly and Ho Yay (if anything, this is exaggerated by several lines of dialogue in the dub, and has netted him rivals for Jaden's attention/affection in the form of Tyranno Hassleberry and Overseas Champion Jesse Anderson); he has unquestionably had the most Character Development of all the characters, symbolized by his promotion to a higher dorm every season.

He uses a cutesy Vehicroid deck in Seasons 1 and 2, but through Season 4 (though it's the only time it's used), he obtains the Cyber Dragons and the Cyberdark monsters as his main firepower, using the Vehicroids for support and abilities.

  • And Then John Was a Zombie: Temporarily turned into a Duel Zombie (or Ghoul) in Season 3 when Duel Academy was sent to the different dimension by Yubel.
  • Badass Adorable: His skills dramatically improve and he becomes one of the best duelists in the school in later seasons, but he remains small and cute.
  • Big Brother Worship: Zane may scare the living hell out of him (unintentionally) in Season 1, but Syrus misses no opportunity to talk about how awesome his brother is. Leads to a bad Broken Pedestal in Season 2 when Zane's mind snaps.
  • Blind Without 'Em: In spite of the fact that they don't seem to cover his eyes.
  • Broken Pedestal: Zane becomes this at the end of Season 2 to him, and Jaden nearly ends up like this in mid Season 3.
  • Catchphrase: In the dub, he has "Wait up!" and "Way to play, Jay!"
  • Color-Coded for Your Convenience: His Character Development is accompanied by dorm promotions and changes of uniform from Red to Yellow to Blue.
  • Coming-of-Age Story: Throughout the series he learns to become more independent, with Season 4 featuring him setting out to become a pro duelist superior even to his brother.
  • Cowardly Lion: Is he a bit of a wimp? Well, yes. Would he still go through hell and high water for his friends? Hell yes.
  • Cute Machines: His Vehicroid monsters.
  • Despair Speech: Almost crosses the Despair Event Horizon in his duel with Zane as his brother claims that respect is useless. Jaden is able to convince Syrus that Zane is wrong.
  • Distressed Dude: Frequently ends up as the hostage.
  • Dub Text: His relationship with Jaden somehow gets even more blatant subtext than the original.
  • Expy: Yugi Moto. Hairstyles aside, they look pretty similar and both have a predisposition for cute monsters. His transition from meek sidekick to an independant player is also reminiscent of Yugi.
  • Face Your Fears: The Power Bond card Zane gave him, which he feels unworthy of using. Regardless, Syrus has used this card several times to display his courage and win a few duels. He also had to work his way up to confront Zane after his Face–Heel Turn.
  • Fire-Forged Friends: He starts out as not-so-friendly rivals with Hassleberry, but over the Society of Light arc, they develop into fast friends.
  • Fourth-Wall Observer: In the later seasons of the dub, where he's responsible for a lot of Breaking the Fourth Wall moments that could easily have been written by LittleKuriboh.
    Syrus: I'm just the wimpy sidekick who's here for everyone's amusement. I'd never have an idea that could help move the plot along!
  • Green-Eyed Monster: In the original timid Syrus doesn't really make a secret of the fact that he really does not like the rapidly developing relationship between Jaden and Jesse. He doesn't treat Jesse any worse though, he just gripes about it a lot from the sidelines.
  • Growing Up Sucks: In Season 4, which becomes a big part of his fears when trapped in the World of Darkness.
  • Hidden Depths: He's actually an extremely talented duelist being held back by his self-confidence issues. As he starts to believe in himself, he quickly rises through the ranks.
  • Hypocrite: He becomes cold and distant to Jaden because his actions caused the others to be sacrificed for Brron's Super Polymerization, but forgives Zane despite the latter torturing him using electrodes during their duel in Season 2. Admittedly, the Sadness rune that he was afflicted with all season likely didn't do his mind any favors.
  • Keep the Reward: He turned down a copy of the King of Games' deck as a prize in Season 4 because his own deck was the strongest to him.
  • The Lancer: He's shorter than Jaden and lacks his confidence. The contrast is seen because they are best friends.
  • Little Brother Instinct: Interestingly enough, exhibited towards Zane in Season 4, after Zane becomes confined mainly to a wheelchair or hospital bed.
  • Non-Action Guy: Most of his duels and opponents are filler. The only time he actually dues against a Big Bad or their minions is against the Ice and Thunder Monarchs.
  • Perverse Sexual Lust: Dark Magician Girl and Thunder Nyan Nyan
  • Promotion to Parent: To an extent, towards Zane in Season 4. Revealed later in the Darkness arc that he really doesn't like it.
  • The Rival: To his older brother by the end, previously to Hassleberry in a subtextual Love Triangle over Jaden which turns into a four way thing when Jesse shows up (though it's more subtle).
  • Running Gag: In the dub of Season 1, he occasionally claims that he "got the looks" when the subject of his brother's dueling skill comes up. It is invariably followed by noises of skepticism from surrounding characters.
  • School Idol: Becomes one in the fourth season to all the younger Duel Academy students.
  • Take Up My Sword: In season 4, Syrus gains the Cyber Dragons and Cyberdark cards from Zane, whose illness makes him physically unfit to duel.
  • Targeted Human Sacrifice:
    • Camula threatens to sacrifice his soul to the Sacred Beasts in episode 32, forcing Zane to throw the duel.
    • In the third season, he's part of Brron's ritual to complete the Super Polymerization card, which required several negative emotions to create. Syrus providing the negative emotion of doubt. Thankfully, he is spared from this fate and avoids capture by the Dark Army.
  • That Makes Me Feel Doubt: In the third season, his negative feeling of doubt becomes a key sacrifice to Brron's ritual for the creation of the Super Polymerization card, becoming the host to the Wicked Rune of the same name. Although he avoids being sacrificed, he continues to express his doubt throughout the season, believing Jaden will be unable to save everyone and is at risk of being taken over by the Supreme King once again in the final duel with Yubel. Syrus' doubt is removed once and for all when Jaden saves everyone at the end of the season with Syrus believing he performed a Heroic Sacrifice.
  • The Short Guy with Glasses: He's well over a head shorter than any other major character, and wears round glasses. That don't seem to be anywhere near his eyes.
  • Sidekick: In seasons 1 and 2, he even refers to himself as Jaden's. He gets jealous in Season 3 when Jesse starts to encroach on his sidekick/bestie territory.
  • Took a Level in Badass: Starting as a Slifer Red student in Season 1, then he is promoted into a Ra Yellow student in Season 2 and after the first half of the season he defeats Obelisk Blue students easily, eventually becoming an Obelisk Blue student himself.
  • Took a Level in Jerkass: After Jaden causes the others to be sacrificed for Brron's Super Polymerization, he pretty much ditches him, runs off on his own and temporarily becomes self centered, not caring about anyone else. Once Jaden's transformation into the Supreme King is reversed, he becomes stoic and aloof, barely talking to him. And in the last episode, Jaden finds a note from his friends who all leave heartwarming messages, except for Syrus who calls him an idiot and draws an angry picture of himself.
  • The Watcher: Actively tries to become one of these in Season 3, after Jaden's Heroic BSoD.
  • Why Can't I Hate You?: He distances himself from Jaden after the Super Polymerization incident, but quickly realizes that he's too attached to Jaden to truly abandon him.
  • You Gotta Have Blue Hair: Blue runs in the family, but his is much lighter than Zane's.

    Tyranno Hassleberry (Tyranno Kenzan)

Voiced by: Hiroshi Shimozaki (Japanese), David Wills (English)

Tyranno Hassleberry, introduced in Season 2, is a muscular dinosaur-obsessed student with actual "dino DNA" flowing through his veins from an accident (and for some reason fancies himself a wannabe army drill instructor in the dub). Originally fought with Syrus over Jaden's attention (and affection), but quickly finds a new rivalry with fellow fossil enthusiast Jim "Crocodile" Cook in Season 3.

Naturally enough, he uses a dinosaur deck.

  • Accent Adaptation: Texan in the dub, or thereabouts.
  • Adaptational Jerkass: In the Japanese version, while not fond of Syrus, he still acknowledges him as an upperclassman. In the dub, he's often condescending towards Syrus, although they start getting along later in the season and the third season.
  • Ambiguously Brown: He's a fair bit darker than the rest of the cast.
  • Artistic License – Biology: He got his leg bone replaced with a fossilized dinosaur bone after breaking a leg, which somehow gives him DINOSAUR DNA. Sure, let's go with that...
  • Artistic License – Medicine: While on an archaeological expedition when he was younger, Tyranno fell and broke his leg. Rather than do something completely unreasonable like getting him to a hospital, they performed an on-site surgery to replace his broken bone with that of a dinosaur that they had dug up. Not even getting into how they just happened to find a dinosaur bone the exact size and shape of the shin-bone of a maybe ten year old boy.
  • "Awesome McCool" Name: Sure, it doesn't get used very often, but his first name is Tyranno.
  • The Berserker: He blames it on dinosaur DNA. Best exemplified by his Ultimate Tyranno, which can and must attack every monster the opponent controls at the start of the Battle Phase.
  • The Big Guy: He's big, he's aggressive and he has dinosaur DNA!
  • Class Representative: Becomes this by the fourth season to demonstrate how independent he has become considering he won't be graduating with most of his friends. He mostly organizes activities for the graduating students.
  • Defeat Means Friendship: In his first appearance, he was the leader of a gang of bullies who stole duel disks from students they defeated. Once he was defeated by Jaden, he became one of Jaden's friends and allies.
  • Disney Death: In Season 3, he is killed when he is sacrificed for Brron's ritual, but is revealed to being held in another dimension by Yubel and is returned to Duel Academy at the end of the season.
  • Dreadlock Warrior: He's got the hairstyle and the dinosaur DNA to qualify.
  • Everything's Better with Dinosaurs: He certainly seems to think so.
  • Fire-Forged Friends: With Syrus; as soon as Jaden is implied to be in danger, The Gloves Come Off and they almost defeat Frost and Thunder.
  • Hellish Pupils: When he's angry, his eyes turn reptilian, an outward sign of the dino-DNA kicking in.
  • Hulk Speak: While dueling against Jim his dino-DNA was affected due to electromagentic waves, thus he spoke in broken English.
  • Hunk: Despite being possibly a year younger than Jaden, he already has a bodybuilder physique and is very good looking.
  • Informed Ability: Said to be on the top of his class dueling-wise. He's only won a single prominent on-screen duel, however (though he could have beaten Syrus; he just let him win).
  • Last-Name Basis: He's only ever referred to by his last name in both versions.
  • Mood Ring Eyes: They turn to a cat-like yellow when he's feeling particularly dinosaur-ish.
  • No Good Deed Goes Unpunished: In his duel against Syrus to see who has the right to call Jaden their big brother/best friend, he decides to let Syrus win considering Syrus had been giving up food and sleep to search for Jaden. This comes back to haunt him since Syrus let it go to his head and started bossing him around.
  • No-Sell: His dino-DNA prevents Sartorius from brainwashing him. It also helps against Trueman, but unfortunately, Trueman is a bit too good at giving breaking speeches for it to work.
  • The Rival: With Syrus in a subtextual Love Triangle over Jaden.
  • Sleeves Are for Wimps: His sleeveless Ra shirt exposes his bulging muscles.
  • Southern-Fried Private: He talked like one in the dub, but instead of being The Idiot from Osaka in the original, he punctuated sentences with the onomatopoeia for explosions.
  • Targeted Human Sacrifice: Becomes a sacrifice in the third season to Brron's ritual to complete the Super Polymerization card that required several negative emotions to create. He provides the negative emotion of Hatred.
  • That Makes Me Feel Hatred: In the third season his negative feeling of hatred becomes a key sacrifice to Brron's ritual for the creation of the Super Polymerization card. Hassleberry expresses his hatred against Jaden before he is sacrificed for Jaden's recklessness.
  • Undying Loyalty: Towards Jaden. Aside from Syrus, he is easily the most loyal and devoted towards Jaden out of the entire cast.
  • Verbal Tic: Ends sentences with "-saurus!" and "-don!" in the original.
  • World's Strongest Man: Not him, but his Super Conductor Tyranno held the record for strongest Normal Summonable monster without drawbacks for a long time, and it's only been equaled, not surpassed, by the Kaiju.

    Chazz Princeton (Jun Manjoume)
'Voiced by: Taiki Matsuno (Japanese), Tony Salerno (English, Episode 1-89), Marc Thompson (English, Episode 90 onwards)

The Rival and Worthy Opponent to Jaden. Though initially a high-ranking member of Obelisk Blue, Chazz experiences a losing streak and drops out, going on a journey to find himself and ending up at the North Academy duelling school. Though he rejoins Duel Academy, he is forced to start over at Slifer Red and decides to keep wearing his black North Academy uniform. He eventually makes it back up to Obelisk Blue.

He also has the power to see and hear monster spirits. Unfortunately, his "spirit partners" are the Ojama Trio, three rather disgusting and tactless monsters that frequently annoy him. He grows fond of them over time but will never admit it under any circumstance.

He gets significantly better treatment in the manga: Instead of the Ojamas, his spirit ally is the Light and Darkness Dragon, whose power even scares the Big Bad.

In the first few episodes, he uses a Chthonian deck. Later, he uses a machine deck based around summoning the VWXYZ Dragon Catapult Cannon which he shelves when he flees Duel Academy. Upon his return, he is using the Armed Dragon series of cards. He's also seen using Insect Union monsters in joint with his VWXYZ deck. In his duel against his brother, he uses a defensive deck full of low-level monsters, which he later combines with his other deck to make one based jointly on the Ojamas and VWXYZ monsters. While brainwashed by the Society of Light, he uses a White Knight deck.

  • All Love Is Unrequited: Despite his massive (and often hilarious) crush on Alexis, the poor guy was doomed from the get-go.
  • Anti-Hero: He has his heart in the right place (sort of) and really does care about Jaden and company as his friends. Doesn't make him any less of a dick.
  • Arrogant Kung-Fu Guy: Being a member of Society of Light, he becomes openly obnoxious and arrogant, convinced the Society is unstoppable and that Society members are more important than everything.
  • Ascended Fanon: In Universe, his Nickname "Thunder" in the original was a mispronunciation of "San-da" which roughly means "The" or "Mr.", eventually he starts calling himself by this as well and makes it a major theme in both his attitude and his deck when he starts adding more lightning based cards.
  • And Then John Was a Zombie: Temporarily turned into a Duel Ghoul in Season 3 when Duel Academy was sent to the different dimension by Yubel.
  • Badass Longcoat: Both his Obelisk Blue uniform and his trademark black trenchcoat.
  • Bond Creatures: The Ojamas.
  • Brainwashed and Crazy: For most of the second season he is brainwashed by Sartorius and becomes a member of the Society of Light.
  • Break the Haughty: Several times he's reminded that he isn't the best duelist he thinks he is.
  • Butt-Monkey: After his character development, Chazz tends to have absolutely horrendous luck.
  • Cain and Abel: With his older brothers. He's the Cain in their relationship, as they're perfectly willing to disown him for not being the best duelist in the academy.
  • Catchphrase:
    • Japanese version: "Ichi, jū, hyaku, sen, Manjōme-sandā!"
    • English version: "Let's Chazz it up!"
    • Also from the dub, when he wins, or at least thinks he's won, a duel, he says, "You go bye bye!"
  • Combo Platter Powers: He has easily the most diverse deck of any character in the series, juggling no fewer than five different archetypes with five distinct aces. This makes him difficult to counter, since he can switch to different strategies when one fails, but it also leaves him disorganized.
  • Coming-of-Age Story: In Season 4 he decides to become a pro duelist after graduating from Duel Academy.
  • Confusion Fu: His greatest weapon is that his deck juggles so many archetypes and strategies that it is impossible to perfectly counter him.
  • Curtains Match The Windows: Black hair with matching black eyes and black outfit.
  • Dark Is Not Evil: Once he becomes North Academy's top student, he wears a black uniform. This also marks the start of him becoming a better person. After being brainwashed by Saiou/Sartorius, he switches to a white one, and after Judai turns him good, he wears his black coat again. In fact, after that event, Manjoume starts disliking white.
  • Deconstructed Character Archetype: Ends up becoming one for Kaiba from the original series. Chazz is set up as a straight Kaiba to Jaden's Yugi, but as the series keeps going it becomes apparent he's never going to beat Jaden, no matter how blustery he may be about it, and besides, Jaden doesn't even see him as a serious rival but as a friend. The result is Chazz being reduced to an ineffectual Butt-Monkey, because he's not nearly as skilled as he wants people to think, and is too over-the-top with his ego to be taken seriously.
  • Disney Death: In Season 3, he is killed when he is sacrificed for Brron's ritual, but is revealed to being held in another dimension by Yubel and is returned to Duel Academy at the end of the season.
  • The Dragon: To Sartorius while being a member of Society of Light.
  • Dude, Where's My Respect?: He becomes the Champion of the GeneX Tournament and gets practically nothing for it, Jaden is still the strongest player and probably would have been the champ if he hadn't given up his placing to Save the World. And he forfeits his only prize, going back to Obelisk Blue because he hates how they obsess over a dorm color. And leaves for Slifer Red, where his fancy room is stolen by Blair who, being the only girl in the dorm now, needs her own privacy. Forcing him into the older rooms. It only gets worse for him from here on out, only getting slightly better in Season 4.
  • Empathy Pet: The Ojama Brothers.
  • Evil Costume Switch: He wears a white Obelisk Blue uniform as a member of the Society of Light.
  • Expy: Of Seto Kaiba via his dragon and machine cards (he even picks up Kaiba's XYZ cards to expand into the VWXYZ series), longcoat, and general snobbish and jerkish behavior. As the series continues he starts taking cues from Joey as a weak underdog who has to rely on weak cards and unlikely combos with them.
  • Foil: To Jaden; he's the arrogant and overly serious Obelisk Blue to contrast the friendly and laid back Slifer Red. Similarly, Jaden is proud to be Red and flaunts the colors, while Chazz (outwardly) hates being Red and refuses to even wear the uniform. They also can both see spirits, but Jaden views his as True Companions while Chazz (mostly) dislikes his. They also have an essentially inverted character arc; while Jaden becomes a withdrawn loner with a mean streak and too much responsibility, Chazz becomes a comical and heroic figure at the center of a large circle of friends.
  • Freudian Excuse: His desire to live up to his family's reputation puts a lot of pressure on him, leading to a lot of his jerkish tendencies.
  • Good Is Not Nice: Once he stops being a spoiled brat and learns to be more respectful (or less disrespectful), he begrudgingly becomes part of Jaden's group of friends.
  • Great Detective: In his own mind, that is.
  • Goroawase Number: His "Manjyome Thunder" chant in the original:
    1: Ichi!
    10: Jyuu!
    100: Hyaku!
    1,000: Sen!
    10,000: Man-joume San-da!
  • Growing Up Sucks: In Season 4. He fears he might not live up to being a pro duelist.
  • Hypocrite: He expresses anger towards Jaden for going off on his own and claims he cares only for himself which is the cause of his friends being captured and sacrificed by the Dark Army. He chooses to forget that his obsessive infatuation with Alexis caused the release of the Sacred Beasts allowing for Kagemaru to use them to drain Duel Spirits to restore his youth.
  • I See Duel Monster Spirits: One of a select few that can see them.
  • Ignored Epiphany: Played with - he ignores the epiphany that "weak" cards can still be useful about six times in the series, but each time, he seems to lose ground until he finally declares Ojama Yellow his ace.
  • Insistent Terminology: In the Japanese version, he insists that people show him respect by addressing him with the -san honorific: "Manjoume-san da" ("It's Mr. Manjoume"). This leads to his in-universe nickname of "Manjoume Thunder" when he transfers to a new school and his new classmates mistake "san da" for the Japanese pronunciation of "thunder".
  • Instant Awesome: Just Add Dragons!: His Armed Dragons.
  • Instant Awesome: Just Add Mecha!: His VWXYZ monsters in the anime.
  • Jerk Jock: Pre-Character Development, he was shaping up to be Jaden's Draco Malfoy.
  • Jerk with a Heart of Gold: Post-character development. During Zane's duel against Camula, she tries to use Syrus as a sacrifice for her Illusion Gate card. When she captures Syrus, Chazz attempts to grab him back to safety.
  • Keep the Reward: He turned down a copy of the King of Games' deck as a prize in Season 4 because his own deck was the strongest to him.
  • Kick the Morality Pet: In his duel with Jaden using the Ojamas to save him, Chazz brutally attacks the Ojamas over and over until Yellow breaks down into tears.
  • Last-Name Basis: Everyone (aside from his brothers who call him Jun) refer to him as Manjoume.
  • Light Is Not Good: He was always kind of a jerk, but when he joins the Society of Light and switches to an all-white wardrobe, he becomes outright evil.
  • Lonely Rich Kid: He'd never admit to it, but his first true friends were made in the Slifer Red dorm.
  • Lost in Translation: His "Manjoume Thunder" nickname in the Japanese version - a nickname born from a Japanese wordplay pun - was replaced by "Chazz it up!" and "The Chazz" in the dub. Unfortunately, this removes the explanation for why he starts using more lightning-based cards and symbolism after acquiring the nickname.
  • Love Makes You Crazy: His crush on Alexis.
  • Mass Hypnosis: He does this to the blue dorm to turn most of Duel Academy students into members of the Society.
  • Must Make Amends: After being freed from his brainwashing he challenges the entire White dorm and frees them as well since he brainwashed them in the first place.
  • My Country, Right or Wrong: He may hate everything about the Red dorm, but he's fought to preserve it more than once, and the fourth season implies that he was among the last students to leave.
  • Nice Job Breaking It, Hero!: He lost a duel to Alexis holding all the spirit keys which released the Sacred Beasts.
  • Noble Demon: Even at his worst, in the first season and under the control of the Light of Destruction, he always duels fairly. The worst he does is abuse the Ojamas during his duel with Jaden. Although, that didn't stop him from throwing Bastion's deck into the sea in order to sabotage him before the promotion duel...
  • No Respect Guy: Despite quite possibly being the second-best duelist at the academy, he sure doesn't get much respect.
  • Not Completely Useless: His Ojama deck and the deck he used at North Academy. He even defeated his brothers in a duel using a deck with zero attack point monsters. Through Character Development, he goes from being a duelist who only respected powerful cards to a duelist who believes that any card can work.
  • Parental Abandonment: True, this applies to 99% of the characters, but he's the only one with two older brothers who appear to be his guardians.
  • Plucky Comic Relief: Alternates between being this and being badass.
  • Pragmatic Hero: Deconstructed. His inner darkness was that he wanted to win doing whatever it takes because he feared failure, for this reason Sartorius manipulated him into joining the Society of Light in Season 2, and in Season 4 while in the World of Darkness he believes he would need to resort to cheating in the Pro League. Through Jaden, he accepts that failure isn't the end and he can always try again.
  • Punny Name: His nickname Manjoume Thunder ("sanda" in Japanese) is partly a pun on his Insistent Terminology.
  • Raven Hair, Ivory Skin: Manjoume has black hair and his skin is really pale comparing to other characters, even his brothers.
  • Red Baron: Manjoume Thunder!
  • The Resenter: Of Adrian Gecko for mainly presenting the same image as Chazz of being from a wealthy family, but Chazz assuming he hasn't had any struggles. He could not have been more wrong.
  • The Rival: To Jaden and to a lesser (and more comical) extent Atticus. He tries to be one to Adrian Gecko, but he doesn't quite live up to it.
  • Rival Turned Evil: After being brainwashed by the Light of Destruction, he becomes The Dragon to Sartorious. Jaden has to break him out of it via a duel.
  • School Idol: Becomes one in the fourth season to all the younger Duel Academy students.
  • Screw the Money, I Have Rules!: He eventually rejects his brothers' plans and tries to go pro without their connections.
  • Self-Made Man: In the first season during his duels at North Academy, he learns to make the best out of what he has, finding random cards, and becomes a much better duelist for it.
  • Spell My Name with a "The": The dub has him called himself "The Chazz".
  • Spoiled Brat: He starts off this way, flaunting his family's wealth and prestige like a badge of honor. Post Season 1 Character Development has him move past it.
  • Taking You with Me: One of the core mechanics of his original Cthonian deck revolved around inflicting whatever battle damage he received to his opponent or punishing them for destroying his monsters.
  • Targeted Human Sacrifice: Becomes a sacrifice in the third season to Brron's ritual to complete the Super Polymerization card that required several negative emotions to create. Chazz providing the negative emotion of Anger.
  • That Makes Me Feel Anger: In the third season, his negative feeling of anger becomes a key sacrifice to Brron's ritual for the creation of the Super Polymerization card. Chazz expresses his anger against Jaden before he is sacrificed calling Jaden selfish.
  • The Only One Allowed to Defeat You: Downplayed. He was angered that he wasn't chosen to duel against Jaden and Syrus in the tag duel to determine the expulsion in Episode 10. However, he make it clear that he prefers Jaden getting expelled and losing the tag duel over Jaden and Syrus winning and continuing their enrollment.
  • Third-Person Person: The aforementioned "Manjuome san-da" can be translated as "It's the Manjoume" under some circumstances. The dub retains this, where he calls himself "The Chazz".
  • Throw the Dog a Bone: He wins the GeneX Tournament, and later beats Aster to become a pro duelist.
  • Took a Level in Badass: Several throughout the series. Most notable in Season 4, where he's skilled enough to beat Aster Phoenix, and almost certainly would have beaten Jaden if he hadn't thrown the match at the last minute.
  • Took a Level in Kindness: In Episode 24, he is told the requirement to enter North Academy is to gather 40 cards in the Arctic wilderness and finds an old man outside next to a campfire who reveals that he found 39 cards but didn't have the strength to find the 40th card. When Chazz returns, he claims to have found 41 cards and gives his extra to the old man. It turns out he lied and only found 40 cards and having given one away, didn't have enough to enter North Academy.
  • Vitriolic Best Buds: With Jaden, and with the Ojamas.
  • Wax On, Wax Off: He goes through this organizing cards for Aster, which allows him to practice card strategies. Most likely, he passed the time reading the card text and daydreaming about how to use them properly.
  • What the Hell, Hero?: In Season 3, he angrily berates Jaden for going off on his own and claims he cares only for himself which is the cause of his friends being captured and sacrificed by the Dark Army.
  • "Well Done, Son!" Guy: Towards his older brothers in Season 1.
  • What Have I Become?: How he breaks free from the Society, realizing he isn't at all like himself anymore.
  • The Worf Effect: He's supposedly one of the Academy's best, but his dueling record is spotty mainly due to getting matched against the likes of Jaden and Sartorius.
  • Zerg Rush: Often did this with his Chthonian cards. Best exemplified by his Chthonian Alliance Equip Spell, which buffs a monster's ATK based on the number of monsters with the same name he controls; naturally, his strategy involves getting three of the same monster in play to use it to its fullest.

    Alexis Rhodes (Asuka Tenjouin)

Voiced by: Sanae Kobayashi (Japanese), Priscilla Everett (English, Episode 1-26), Anna Morrow (English, Episode 27 onwards)

Alexis Rhodes, the kind and pretty "Queen of Obelisk Blue" (sorta) and Jaden's closest thing to a normal heterosexual love interest (as well as the Grace to Zane's Will). Also, Chazz and just about every other boy in school have HUGE crushes on her. Heck, it gets to the point where boys start routinely dueling others over her to try and earn her affections. She knows all the guys are into her, but she actually is only into the one guy who isn't into her, Jaden. Presumably, because he's just too immature to know a drop dead beauty when he sees one, even though everyone else knows she is one.

Her main deck is based around using Cyber Girls in the early stages, and Cyber Angels as her trump cards. While brainwashed by the Society of Light, she uses an Ice Dragon deck.

  • Aborted Declaration of Love: Planned to reveal her feelings to Jaden after their tag-team duel in Season 4, but lost her nerve at the last second. It's probably for the best, as he would have had to explain that he was already part of an Official Couple.
  • Action Girl: Zigzagged between this and Faux Action Girl, particularly in Seasons 3 and 4. She's considered one of the seven best duelists at Duel Academy, but she merely wins against filler opponents and has a victory in a plot-important duel only twice. However, she manages to push her opponents pretty close to defeat before having the tables turned on her and is able to hold her own against the guys (Jaden, Atticus, Chazz), as well as battle people that gave the rest of the cast some issues (Titan, for example). The major question is if she lives up to her hype.
  • All Love Is Unrequited: Does not reciprocate Chazz's crush on her, and Jaden does not reciprocate her crush on him, and generally seems to be oblivious to it.
  • Arrogant Kung Fu Girl: Being a member of Society of Light, she becomes openly obnoxious and arrogant, convinced the Society is unstoppable and that Society members are more important than everything.
  • Betty and Veronica:
    • On one hand, Asuka is the nice Betty who can never speak out her feelings to Judai to Rei's flirty and loud-spoken Veronica.
    • On the other hand, she's also the Betty, but this time to Johan's and Yubel's Veronica.
  • Blonde, Brunette, Redhead: Asuka is the Blonde to Those Two Girls, Momoe/Mindy (brunette) and Junko/Jasmine (redhead).
    • Franchise-wise, she's the Blonde to Anzu's Brunette and Aki's Redhead.
  • Brainwashed and Crazy: In Season 2, by Chazz.
  • Cannot Spit It Out: Near the end of the series, Asuka attempts to confess her feelings to Judai, but then decides not to. Which is actually good for both of them because then, he will have to explain to her that he's an Official Couple with Yubel.
  • The Chick: Despite her best efforts, she's this to the group.
  • Clingy Jealous Girl: Downplayed, but gets visibly upset when Rei/Blair flirts with Jaden.
  • Coming-of-Age Story: She decides to become a teacher in America after graduating from Duel Academy.
  • Curtains Match the Window: Gold eyes to match the blonde hair.
  • Damsel in Distress: A few times, such as getting kidnapped by Titan in the first season and being brainwashed into joining the Society of Light in the second.
  • Dance Battler: Her key deck motif.
  • Deadpan Snarker: When she's exasperated, particularly in the dub.
  • Disney Death: In Season 3, she is killed when she is sacrificed for Brron's ritual, but is revealed to being held in another dimension by Yubel and is returned to Duel Academy at the end of the season.
  • Dude Magnet: The only guy in the show who DOESN'T have a huge crush on her is Jaden/Judai, but even then it's only because he doesn't know or care about her sex appeal.
  • Everyone Loves Blondes: She has dirty blonde hair and is the target of affections from many boys.
  • Evil Is Deathly Cold: The air around her cools to freezing when she duels while being a member of Society of Light.
  • Expy: Asuka's role and personality are similar to Anzu. Her cards, skills and sexy look make her similar to Mai. Also, looking at her hairstyle and eye color, one can't help but think that she looks like a younger Kaiba's female version.
  • Fingerless Gloves: A la Mai Kujaku.
  • Growing Up Sucks: In Season 4. She fears she might fail as a teacher.
  • Hair Color Dissonance: While her hair is consistenly dirty blonde in the anime, it's sometimes depicted as bright blonde in the manga.
  • Hair of Gold, Heart of Gold: Blonde, and by far the nicest student in Obelisk Blue, which is otherwise populated by elitist jerks.
  • Hello, Nurse!: Something she's not happy about at all.
  • Humble Hero: She's the top female duelist at Duel Academy and is very humble and isn't prideful like the majority of Obelisk Blue students.
  • Hypnotize the Princess: Sartorious does this to her when she starts showing some resistance against her brainwashing, making her even more Brainwashed and Crazy then prior.
  • Idol Singer: Crowler and her brother try to turn her into one, but she isn't having any of it. In the dub, Bastion claims that it's because she can't carry a tune... and ends up paying for it.
  • Impossible Hourglass Figure: Not to the extent this trope normally sees, but considering she's a 16-year-old girl... And sometimes, her waist gets impossibly small in the anime, making her an uncanny version of this.
    • In the manga, the already very attractive Asuka gets even bigger breasts, slimmer waist, larger hips and longer legs. Kind of ironic considering that she's even more of an Indifferent Beauty there.
  • Indifferent Beauty: Asuka knows fully that she's good-looking, but she prefers people to see her as a formidable duelist rather than just a lust object.
  • Irony:
    • Even though most of the boys have a crush on her (Manjoume in particular makes it painfully clear), she just have to like Judai, the resident Chaste Hero. And it's exactly because he's the only one who doesn't have a crush on her but treats her like any of his opponents.
    • She wants to be taken seriously as a duelist, not just a pretty face. However, the anime makes her look like a Faux Action Girl and downplays her importance from time to time until she's really just a pretty face.
  • Keep the Reward: She turned down a copy of the King of Games' deck as a prize in Season 4 because her own deck was the strongest to her.
  • Kill It with Ice: The deck she uses against Jaden while being a member of Society of Light.
  • Magic Skirt: Standard issue, much like the guys' coats that always flare outward.
  • Married to the Job: Cites being in love with dueling as one of her reasons for rejecting Chazz's advances.
  • Mind-Control Eyes: Her eyes become dull and dark while she's under the control of the Light of Destruction.
  • Moral Myopia: Alexis expresses her sadness against Jaden before she is sacrificed to create the Super Fusion card by claiming she feels upset knowing Jaden does not care for his friends, not having looked out for their safety in his search for Jesse. When she is outraged that Atticus is going to duel against Jaden using the Nightshroud mask despite the risks, Jaden berates her for trying to stop them from discovering the truth that could help stop the new threat and for not being concerned about the harm it could cause other people.
  • Ms. Fanservice: And quite self-aware about it, too! Her voluptuous and shapely figure with her large sexy bust and curvy legs makes her extremely attractive.
  • Nice Girl: Alexis is a very polite, kind, sweet, and selfless young woman.
  • Only Sane Woman: All of her friends have some rather obvious quirks. She's the only normal one of the bunch, which she's all too aware of.
    • Hilariously lampshaded in the dub at one point:
    "Why don't I have a catchphrase?!"
  • Out of Focus: In Season 3 with the arrival of the foreign exchange student champions, she receives less focus this season and is sacrificed for Brron's ritual mid season.
  • Platonic Life-Partners: With Zane/Ryo. Fubuki suggests them dating, but Asuka dismisses that possibility and says that she only sees Ryo as an older brother.
  • School Idol: Becomes one in the fourth season to all the younger Duel Academy students.
  • Ship Sinking: None of the Ship Tease with Judai amounts to anything, when she backs out of confessing at the last minute and goes to America to fulfill her own dreams.
  • Ship Tease: Being one of the two only main female characters of the show, she's shipped with alot of her male friends but the only one that actually gets any sort of shipping moments with her is Jaden. The dub makes it more obvious that she has a crush on him: for example, during Jaden's duel with Tania who wagered Jaden's "single" status if he lost, Chazz commented that Tania might be Jaden's type which earned a fierce response from Alexis, who claimed that Jaden wouldn't even think about dating a woman like that.
  • Signature Move: Her Doble Passe trap card, which let the opponent attack directly then let one of her monsters get a direct attack as well. Jaden later remarked that he always thought it was a gutsy move on her part.
  • Spirited Competitor: Alexis does like a good challenge. In fact, this is probably one of the reasons why she gained a crush on Jaden in the first place, as she admires/respects boys who can beat her. It helped that Jaden didn't obsess over her and isn't bad on the eyes himself.
  • Targeted Human Sacrifice: Becomes a sacrifice in the third season to Brron's ritual to complete the Super Polymerization card that required several negative emotions to create. Alexis providing the negative emotion of Sadness.
  • That Makes Me Feel Sadness: In the third season her negative feeling of sadness becomes a key sacrifice to Brron's ritual for the creation of the Super Polymerization card. Alexis expresses her sadness against Jaden before she is sacrificed claiming she feels upset knowing Jaden doesn't care for his friends, not having looked out for their safety in his search for Jesse.
  • The Smurfette Principle: She's not the only female duelist in the Academy, but she's only one with any real plot significance.
  • Tomboy with a Girly Streak: She's a tomboy most of the time but has had a few more feminine moments whether it is in some of her gestures or girly crush on Jaden in the final season.
  • Well, Excuse Me, Princess!: Subverted. She hates being mistaken for a diva, and is really nice. She just gets really annoyed by some of Chazz's and Atticus' more foolish antics.
  • What the Hell, Hero?: Calls Jaden out on his unwillingness to use teamwork in Season 4.
  • Woman in White: Her uniform as a member of Society of Light.
  • Women Are Wiser: Is the most level-headed of Jaden's friends.
  • Younger Than They Look: Due to her being rather tall and attractive figure, it's hard to believe that she's the same age as most of the main cast.

    Bastion Misawa (Daichi Misawa)

Voiced by: Yuuki Masuda (Japanese), Eric Stuart (English)

The top student in Ra Yellow and the smartest student at Duel Academy... at least before a disturbing romantic rendezvous in mid-Season 1; his shtick in Season 2 changed from being a genius to being forgotten by all the characters and ignored by the recruiting Cult.

He has a deck based on each attribute in the game, but we only see two of them. His Water deck is based around summoning Water Dragon, and his Earth deck is built around the magnet warriors.

  • Awesomeness by Analysis: He's presented this way at the beginning of Season 1, but his calculated approach fails to defeat Jaden and then he gets humiliated by Taniya. He doesn't get another duel for the rest of the season, and gets largely ignored for the rest of the series.
  • Badass Bookworm: Not that the Hot-Blooded cast acknowledges it.
  • Born in the Wrong Century: Would have fit right in among the geniuses of Yu-Gi-Oh! 5D's and received much more respect.
  • Brainwashed and Crazy: He's not brainwashed per se, he was sick of getting the shaft, and he's still treated like nothing.
  • Butt-Monkey: He barely gets any attention in Season 2. When he does, it's usually for the The Worf Effect or a joke at his expense.
  • Celibate Hero: He tries, but ultimately fails when faced with Tania.
  • Crazy-Prepared: Opponent tossed his deck into the lake? No problem — he's locked and loaded with 6 more decks to spare!
  • Deal with the Devil: Sartorious promised him that people would remember him and he would get the respect he deserved if he joined up. Pity it didn't actually work that way.
  • Demoted to Extra: Season 2 onward, and pointed out in the canon as his reason for joining the Society of Light.
    • Justified by narrative arc. When the story focused on academy related events and themes like passing classes and utilizing knowledge learned in the classrooms, he was relevant. The more the story shifted towards space opera in seasons 2 and 3, the less he was really needed.
  • Dude, Where's My Respect?: Cited as the reason for his Face–Heel Turn and Heel–Face Turn in Season 2. By Season 3 he's given up and chooses to stay in the different dimension.
  • Expospeak: Seems to be the sole reason for him to reemerge from the bus on occasion.
  • Forgettable Character: In season 2, people start forgetting he's even there.
  • Get a Hold of Yourself, Man!: To Jaden in Season 3 during his Heroic BSoD post Supreme King.
  • Go Mad from the Revelation: He had a Freak Out! when he realized that he had a crush on White Magician Pikeru.
  • Hard Work Hardly Works: He devotes all of his time to analyzing decks and strategies, only to end up as comic relief.
  • Huge Girl, Tiny Guy: He is taller and has a larger build than most of the main cast, and yet he's still dwarfed by Taniya, his eventual love interest.
  • I Choose to Stay: He apparently stays in the Dark World with Taniya at the end of Season 3.
  • Light Is Not Good: As a member of the Society of Light.
  • The Magic Poker Equation: A pointed aversion, he's one of the few characters in the Yu-Gi-Oh! universe who doesn't rely on it. He uses mathematical formulas and science to fine-tune his decks to perfection, thereby minimizing the variable of luck in his duels and making his decks very precise and strategic, and he considers what he knows about the opponent's deck before choosing one of his own six as the best choice to counter the opponent. Unfortunately most of his opponents do rely on this trope and have Plot Armor to boot.
  • Naked People Are Funny: In Season 2, he streaks across the island after having an epiphany, and it is very much Played for Laughs. Naturally, the nudity was cut from the dub.
  • No Guy Wants an Amazon: At least, he thought he didn't...
  • No Respect Guy: He was regarded as one of the best duelists in his class during Season 1, but by Season 2 he's much less important to the plot and other characters rarely pay him any attention.
  • Number Two: Originally, but starting with Season 2, he becomes more and more obscure.
  • Put on a Bus: Multiple times, finally staying there at the end of Season 3.
  • The Rival: To Jaden in Season 1.
  • The Smart Guy: He is one, but his type of dueling isn't really acknowledged in this series.
  • Tiger Versus Dragon: The Tiger to Jaden's Dragon.
  • What Happened to the Mouse?: It's unknown what happened to him after Season 3.
  • The Worf Effect: Beyond his one win against Chazz, despite dueling impeccably, he never wins another duel... until he joins the Society of Light during Season 2... and those wins are only against unnamed characters. To be fair, his first two on-screen losses were against Jaden (The Hero and one of the Academy's best Duelists), and Taniya (a Shadow Rider strong enough to take Jaden down to 100LP before her defeat).
  • Worf Had the Flu: In his duel against a brainwashed Chazz, Bastion had two Trap Cards ready to deflect an attack from his Cannon Beetle and win. However, Sartorius convinced Bastion that it's better to lose and join the Society of Light, so Bastion didn't use them, costing him the match.
  • Wrong Genre Savvy: He's a brilliant strategist, unfortunately he lives in a time where Hot-Blooded instinct and miraculous creation skills are the Status Quo.


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