한 Members of Bulldog Mansion Bulldog Mansion (불독맨션) is a South Korean Boy Group that debuted in 2000. They consist of 4 members: Jo Jeongbeom, Lee Hanchul, Lee Hanjoo and Seo Changseok. Return to Artist Read All Members 1999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026 Jo JeongbeomLee HanchulLee HanjooSeo Changseok Jo Jeongbeom (조정범) Full Name: Jo Jeongbeom Country: South Korea Active period: 1999-present Role: Instrumental Lee Hanchul (이한철) Full Name: Lee Hanchul Date of Birth: 1972-12-01 (53 years) Zodiac sign: Sagittarius Country: South Korea Active period: 1999-present Role: Vocal,Instrumental Lee Hanjoo (이한주) Full Name: Lee Hanjoo Country: South Korea Active period: 1999-present Role: Instrumental Seo Changseok (서창석) Full Name: Seo Changseok Country: South Korea Active period: 1999-present Role: Instrumental Images No images yet Return to Artist