최성국, Seong-guk Choi, Choi Sung-kook, Choi Sung-guk, Choi Sung-gook, Choi Sung-kuk, Choi Seong-guk, Choi Seong-kook, Choi Seong-gook, Choi Seong-kuk, Choe Sung-guk, Choe Sung-kook, 崔成国