The calm and thoughtful Yugi is no ordinary game enthusiast - he's been infused with ancient powers from a mysterious Egyptian 'Millennium Puzzle' given to him by his Grandfather. When Yugi is duelling, Yami Yugi appears. They are able to communicate with each other and together, Yugi and the courageous Yami Yugi battle the forces of evil to prevent the diabolical Shadow Games returning.
JOEY WHEELER
Once a wild and tough street kid, Joey dropped his tough guy image to become Yugi's loyal best friend. Joey's harsh street background can sometimes make him hot-headed and rash, but he has a heart of gold and would do anything for his friends, especially his younger sister. Joey is a keen duellist and is constantly trying to improve his skills to join the ranks of the elite duellists.
SETO KAIBA
The arrogant Seto Kaiba is not like other high school students - he's the wealthy CEO of his own multi-national high-tech corporation, Kaiba Corp. Kaiba is serious and mature, but he's also greedy, selfish, and power-hungry. He holds a longstanding grudge against Yugi, but as skilled new enemies emerge from the shadows, Kaiba may realize that he many need some allies after all!
MARIK
The shadowy Marik is even more ruthless and intelligent than Kaiba. Not only is he armed with the mysterious Millennium Rod, but he also wields the most powerful legendary monsters in history. Marik will stop at nothing to unleash his revenge on Yugi - but is he after the magic of the Millennium Puzzle, or is that just the first step of his diabolical plan?