Analysis of information sources in references of the Wikipedia article "Yu-Gi-Oh!" in English language version.
Even Jonouchi, a tough guy in school who's Yugi's future best friend, teases him in the first chapter before eventually his bromantic heart melts and they become best buddies. (The yu from Yugi and the jô from Jonouchi equals yujô, "friendship".
『遊☆戯☆王』(著:高橋和希)について「週刊少年ジャンプ」1996年42号（1996年9月17日発売）から2004年15号（2004年3月8日発売）まで連載
In a game, the player becomes the hero. [...] The main character, Yugi, is a weak and childish boy who becomes a hero when he plays games. [...] As far as the manga story goes, I think all kids dream of henshin [...] if you combine the "yu" in Yugi and the "jo" in Jounouchi [...] Yujo translates to friendship in English, [...]
In a game, the player becomes the hero. [...] The main character, Yugi, is a weak and childish boy who becomes a hero when he plays games. [...] As far as the manga story goes, I think all kids dream of henshin [...] if you combine the "yu" in Yugi and the "jo" in Jounouchi [...] Yujo translates to friendship in English, [...]
Even Jonouchi, a tough guy in school who's Yugi's future best friend, teases him in the first chapter before eventually his bromantic heart melts and they become best buddies. (The yu from Yugi and the jô from Jonouchi equals yujô, "friendship".
『遊☆戯☆王』(著:高橋和希)について「週刊少年ジャンプ」1996年42号（1996年9月17日発売）から2004年15号（2004年3月8日発売）まで連載
