Red Eyes Black Dragon Friends

A novice duelist whom happens to be Yugi Motou's best friend. Known to use many cards that rely solely on chance and may backfire.

The fused form of a Blue Eyes White Dragon and Red Eyes Black Dragon

The fusion of three Red Eyes Black Dragons

Summoned Skull is a dual monster commonly used by Yugi Mutou. It can be fused with the Red Eyes Black Dragon to form Black Skull Dragon

Yami Yugi is originally depicted as Yugi Mutou's darker alter ego but eventually he became a character in his own right and was revealed to be an Ancient Egyptian Pharaoh whose soul was housed in the Millenium Puzzle Yugi had assembled.

Yugi Mutou was the first to solve the Millennium Puzzle and unlock the secrets within. When fused with the spirit of the puzzle, Yami, they are the world's greats Duel Mosters player.