Keisuke Ishii (石井慧介, Ishii Keisuke; born February 6, 1985) is a Japanese professional wrestler trained by and signed to DDT Pro-Wrestling (DDT). Ishii also competes for All Japan Pro Wrestling (AJPW), where he is a former World Junior Heavyweight Champion.
Source: “Keisuke Ishii”, English Wikipedia (CC BY-SA 4.0), excerpt