Kalin Kessler, known as Kyosuke Kiryu in the original Japanese format, was a former member of the Dark Signers and is currently a resident of Satisfaction Town. He was once the best friend of Yusei Fudo and friends to Jack Atlas and Crow Hogan, once being part of a dueling faction together known as The Enforcers in the 4Kids dub and Team Satisfaction in the original Japanese format. He has currently reconciled his friendship to his former teammates and plans on rebuilding Satisfaction Town with the help of its residents, acting as both its sheriff and pseudo mayor.