Lee Suhoon (이수훈), better known by his current stage name, Mika, was born on June 28th, 1990 (aged 22), making him the oldest member of The Boss. Mika is the leader and the main vocalist. Like the other members of The Boss, Mika was firstly part of 3rd and 4th generation Xing, under the stage name "White". He was also part of another of Xing Entertainment's groups, Singing In The Rain, before being part of Xing. He was also featured in SOOLj's "A Man Cries" as well as Lee Ah Si's "Hello". He's 2PM's Kim Junsu's cousin.