Yusei Fudo is the main protagonist of Yu-Gi-Oh! 5D's, as well as one of the Signers. He is known and respected by many other characters in the show for his genius style of Dueling, his considerable skill, and his cool and clever personality. He uses a Duel Runner, which is called the Yusei Go. In the dub, "Let's rev it up!" is a common catchphrase that he uses when he summons a Synchro Monster. He is also the foster brother of Jack Atlas and Crow Hogan, the foster son of Martha, and very good friends with Kalin Kessler, with whom Yusei has a history with.
He is in relationship with Akiza Izinski.
And he is reprised by Greg Abbey in the English dub and Yuya Miyashita in the Japanese dub.