Yusei Fudo is mostly calm and cool at all time and he will fight for his friends and beliefs that is why his friends respect and admire him for this and his honor and great dueling skills Yusei Fudo greatest rival is Jack Atlus he was his best friend and tell he stole Yusei Fudo best monster card, "Stardust Dragon". He is a founding Member of the Enforcers
Ever since the enforcers Yusei has been using the same cards. Some of his Friends such as Crow Hogan, Jack Atlus, and Kalin Kessler say that Yusei is becoming kind of predictable. Even though many people think Yusei has weak cards, Yusei knows that each card can be strong when used correctly.