Keisuke Baji (場地バジ圭介けいすけ, Baji Keisuke) is a former member of Valhalla. He is also a founding member and the former First Division Captain (壱番隊 隊長, Ichiban-tai Taichō) of the Tokyo Manji Gang. He is one of two main protagonists of the Tokyo Revengers: Letter from Keisuke Baji spin-off series.