Katsu Kobayakawa

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Katsu Kobayakawa
Katsu Kobayakawa
  • Katsu Kobayakawa
RōmajiKobayakawa Katsu
  • Male
  • Education
SchoolGoha 7th Elementary
  • Duelist
Tournament Position
Goha Rush Duel Team Battle Royal Eliminated
Anime debutYu-Gi-Oh! SEVENS episode 0011: "Let's Go! Rush Duel!"
Appears in
AnimeYu-Gi-Oh! SEVENS
Voice actors
  • Shunpei Ooba
Kobayakawa, Katsu

Katsu Kobayakawa (ばやかわカツ Kobayakawa Katsu) is a character in the Yu-Gi-Oh! SEVENS anime. He is a student at Goha 7th Elementary, and he is one of Yuga Ohdo's friends at school.



Katsu is a slim young boy with brown eyes and brown hair. He wears a yellow T-shirt with a white cross patterned across the chest, maroon pants, and charcoal shoes with white soles.


Katsu and Riku greeted Yuga at school one day, and Katsu cautioned Yuga over receiving five penalties on his Duel Disk. As Yuga tried to explain they were like the medals of a challenger, Gavin Sogetsu zoomed over and began admonishing Yuga for his penalties, but was shocked when Yuga revealed he had opened the Duel Disk to install new rules. Katsu and Riku watched as Yuga explained his intentions to Gavin, cheering when he used his "Road" catchphrase, though they were interrupted by class starting. After school that day, Riku tried to trade cards with Katsu, but they were prohibited from doing so un-supervised by a Goha Enterprises Drone; Katsu commented that it couldn't be helped.[1]

The next day, Yuga told Katsu and Riku about Rush Dueling, the new rules he had managed to install, though before he could say more he was dragged under the desk by Lucidien "Luke" Kallister, who didn't want word of Rush Dueling to be spread. Romin Kassidy suggested Yuga and Luke settle the matter with a Rush Duel, and Katsu and Riku eagerly watched the Duel, with Gavin explaining the rules. Before the Duel, Katsu tried to film it, but his smartphone mysteriously deactivated due to Luke's strange power. Katsu was enamoured by the speed of the Rush Duel, particularly the chance for a comeback that it promoted. Yuga failed to defeat Luke, who defeated him with "Multistrike Dragon Dragias". Katsu noted that Yuga's loss couldn't be helped, though he had enjoyed the Rush Duel. Yuga then revealed he had livestreamed the Rush Duel with a modified Drone, and Katsu joined his fellow students in looking the Duel up on the internet before returning to class.[2]

Rayne called Katsu asking for any information about Yuga's "Sevens Road Magician" card, but Katsu had never seen anyone use the card other than Yuga.[3]


Katsu and Riku watched Yuga's Duel with Nail Saionji atop the Goha Enterprises Main Office, during which Nail declared his intention to crush Rush Dueling. Hearing this, Katsu claimed to be Yuga's comrade and was judged by a Goha Enterprises Drone to be part of Yuga's group, receiving five penalties on his Duel Disk, and would receive a sixth if Yuga lost. He cheered Yuga on as he Maximum Summoned "Supreme Machine Magnum Overlord" again to defeat Nail, and the penalties on his Duel Disk were erased after the Duel.[4]

Team Battle Royal[edit]

Katsu was present when new student teacher Gibumi Purisaki introduced herself to his, Riku, Yuga, Romin and Mimi's class.[5]

Katsu, Riku and another girl entered the Goha Rush Duel Team Battle Royal as a team, but their team was defeated seven times and eliminated on the first day of the tournament.[6]

Goha 6 Siblings[edit]

After the Goha Rush Duel Team Battle Royal, Katsu and Riku were walking to school talking about the robot that had appeared on the moon at the end of the tournament. Yuga arrived and explained it was the Super Rush Robot, much to their interest. Yuga suggested they Rush Duel, but they were told off by Rino and Rayne for trying to Rush Duel on the way to school.[7]


  1. Yu-Gi-Oh! SEVENS episode 0011: "Let's Go! Rush Duel!"
  2. Yu-Gi-Oh! SEVENS episode 0022: "The Man Who Possesses a Demon"
  3. Yu-Gi-Oh! SEVENS episode 01212: "The Forbidden Ace"
  4. Yu-Gi-Oh! SEVENS episode 02626: "Maximum Duel!"
  5. Yu-Gi-Oh! SEVENS episode 04040: "Give Me Jam ♪"
  6. Yu-Gi-Oh! SEVENS episode 04545: "Upstart Hunter"
  7. Yu-Gi-Oh! SEVENS episode 05353: "Let's Go! Rush Swirling!"