About Cho Kyu-hyun
Cho Kyu-hyun, referred to as Kyuhyun, is a South Korean singer, musical theatre actor, and television host. He debuted as a new member of boy group Super Junior in May 2006. Apart from his group's activities, he has established himself as a musical actor, notably through his participation in the original and Korean versions of stage musicals including The Three Musketeers, Catch Me If You Can, Moon Embracing the Sun, Singin' in the Rain, The Days, Robin Hood, Werther, Mozart!, The Man Who Laughs, Phantom, and Frankenstein. He was also cast in television shows including Radio Star, We Got Married, Mamma Mia, Fluttering India and in the third, fourth, seventh, and eighth seasons of New Journey to the West. He debuted as a solo artist with his debut mini album, At Gwanghwamun, on November 13, 2014, making him the first Super Junior member to debut as a solo artist. Kyuhyun officially made his debut in 2006 as a new member of Super Junior (formerly Super Junior 05, the first generation of SM Entertainment's 12-member rotational boy band).
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.