한 Seo Changseok Seo Changseok (서창석) is a South Korean Male Artist. He started in group Bulldog Mansion. Read All General Information International Stage Name : Seo Changseok Domestic Stage Name : Pronounce 서창석 Full Name : Seo Changseok Pronounce Country of Birth : South Korea Related Artists : Bulldog Mansion - Instrumental Original group : Bulldog Mansion Images No images yet