1TYM (원타임, pronounced as "One Time") is a four-member Korean hip hop group. They are Oh Jin Hwan (오진환), Park Hong Jun (박홍준, known as Teddy Park), Song Baekkyoung (송백경), and Im Taebin (임태빈, known as Danny). Leader Teddy and lead vocalist Danny (Taebin) originated from the United States and moved to South Korea when they were accepted under YG. The two knew each other and later met Jin Hwan and Baek Kyoung during their trainee days, trying to debut as 1TYM.