1TYM (원타임, pronounced "One Time") is a popular four-member Korean hip hop group. The four members are, from oldest to youngest, Oh Jin Hwan (오진환), Teddy Park (박홍준), Song Baek Kyoung (송백경), and Danny Im (임태빈, also known as Taebin).

Members

* Teddy Park/Park Hoon Jun (박홍준), born September 14, 1978, is 1TYM's leader and main rapper.