Mai Valentine is a fictional character from the anime and manga series Yu-Gi-Oh!. She is known for her confident and competitive personality, often portrayed as a skilled duelist who specializes in using Harpy cards. Mai is a strong female character who seeks to prove herself in the world of card games. In the series, Mai initially appears as an antagonist but later becomes an ally to the main characters. Her backstory reveals her struggles and determination to succeed, making her a complex character. Mai's signature style and fierce attitude have made her a memorable figure in the Yu-Gi-Oh! franchise.