What is Seo Kang-joon's real name?
서강준 본명: 이승환
Seo Kang-joon's real name is Lee Seung-hwan.
Lee Seung-hwan (Korean: 이승환; born October 12, 1993), known professionally as Seo Kang-joon (서강준), is a South Korean actor and former singer, who was a member of the group 5urprise.
Source: Wikipedia: Seo Kang-joon
