- Japanese: 城之内克也
- Kana: じょうのうちかつや
- Romaji: Jōnouchi Katsuya
- Translated: Katsuya Jonouchi
Yugi's best friend. The number one in Japan when it comes to effort and willpower!
|1998-04-04||3||Yu-Gi-Oh! Bandai OCG: 1st Generation||Common|
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