Seung-hwan Oh (Hangul: ; Korean: ???; Hanja: ???; Korean pronunciation: [o.s??.?wan]; born July 15, 1982) is a South Korean professional baseball relief pitcher for the Samsung Lions of the KBO League.
He previously played for the Lions in South Korea, the Hanshin Tigers of Nippon Professional Baseball (NPB) in Japan, and the St.
Louis Cardinals, Toronto Blue Jays, and Colorado Rockies of Major League Baseball (MLB).
He is known as "Dol-bucheo" (Stone Buddha) for being unshaken and maintaining an emotionless face in every situation.
His prowess as a relief pitcher also earned him the nickname "Kkeut-pan Wang" (Final Boss), in South Korea and among Cardinal fans.