Setsuna Mudo is a fictional character from the anime and manga series Yu-Gi-Oh!. He is known for his role as a skilled duelist and a member of the Doma organization. Setsuna possesses a unique ability to manipulate cards, which plays a significant part in the series' plot. In the story, Setsuna is characterized by his calm demeanor and strategic thinking during duels. He often faces off against other duelists, showcasing his talent and determination. His interactions with other characters, such as Yugi Muto and Kaiba Seto, highlight his growth and development throughout the series.