Katsuya Jonouchi (城之内（じょうのうち）克也（かつや） Jōnouchi Katsuya), known as Joey Wheeler in the English version of Yu-Gi-Oh! The Dark Side of Dimensions, is a character in the Yu-Gi-Oh! manga. This is the original depiction of Katsuya Jonouchi, known as Joey Wheeler in most English media, as created by Kazuki Takahashi. Jonouchi starts out as a weak player after taking-up Duel Monsters, but becomes more powerful as he learns from Yugi and Dark Yugi and fights to protect people he loves.