Yusei Fudo is the main protagonist of Yu-Gi-Oh! 5D's, and was one of the Signers. He is known for 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 English 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, and very good friends with Kalin Kessler, with whom Yusei has history.
- He is Akiza Izinski's boyfriend.