Tsuyoshi Kusanagi (草彅 剛 Kusanagi Tsuyoshi, born July 9, 1974 in Seiyo, Ehime, Japan) is a Japanese actor, singer, television host, and a member of SMAP, the best-selling boy band in Asia. Tsuyoshi Kusanagi (草彅 剛 Kusanagi Tsuyoshi, born July 9, 1974 in Seiyo, Ehime, Japan) is a Japanese actor, singer, television host, and a member of SMAP, the best-selling boy band in Asia.