When did the group debut that Kang Sung-hoon is a part of?
Kang Sung-hoon (singer) Kang Sung-hoon (hangul:강성훈, born February 22, 1980) is a South Korean singer from the 90's South Korean boy group Sechs Kies. Sung-hoon is the main vocalist of SechsKies and is referred to having the best singing voice of the group. After Sechskies had disbanded in 2000, Sung-hoon pursued a solo singing career, signed under Laful Entertainment at the time. His nickname Hoony is the title for his third album and his official fan club is called Hoony World.
IKon (South Korean band) iKon (Hangul: 아이콘 ), stylized as iKON, is a South Korean boy band formed in 2015 by YG Entertainment. The group was first introduced in the reality survival program "WIN: Who is Next" as "Team B." After that, Team B went on to appear in the 2014 reality survival program "Mix & Match", which determined the final seven-member lineup of iKon: B.I, Bobby, Jay, Ju-ne, Song, DK and Chan.