Slifer the Sky Dragon
Slifer the Sky Dragon is one of the Egyptian God Cards, and is said to be the oldest and most powerful of the three. It is a massive, serpentine dragon with glowing green eyes and a long, forked tail. Its body is covered in scales, and it has large wings that allow it to fly. Slifer is capable of unleashing devastating attacks, and its mere presence can cause the earth to shake.
The first time Slifer appeared in the anime was in the Battle City tournament. It was summoned by Yugi Muto, who used it to defeat his opponent, Mako Tsunami. Slifer then went on to help Yugi defeat other powerful duelists, such as Seto Kaiba and Marik Ishtar.
Slifer is a powerful and dangerous card, but it is also a loyal and powerful ally. It has helped Yugi to win many duels, and it has always been there for him when he needed it. Slifer is a true friend, and it is one of the most iconic cards in the Yu-Gi-Oh! franchise.