As promised, here's the name guide.
Note: This will always be the last chapter of the story, so don't review it.
Jap.-American
Anzu-Tea
Malik-Marik
Jounouchi (Jou)-Joey
Honda-Tristan
Shizuka-Serenity
Yami Malik-Yami Marik
Isis-Ishizu
Ryou-Bakura
Otogi-Duke
I'll add more as I think of them. Also, Yami Malik/Yami Marik will be called Marik. Malik/Marik will be Malik. Yami Bakura will be Bakura and Ryou/Bakura will be Ryou.