For the superheroes, see Batman and Robin. Dynamic Duo (???? ??) is a Korean hip hop duo, made up of members Choiza and Gaeko (former members of the trio, CBMass). Profiles · Stage name: Choiza · Real name: Choi Jae-ho · Date of birth: March 17, 1980 · Height: 180 cm · Blood type: O · Hobbies: Reviewing movies, building computers · Education: Sejong University · Stage name: Gaeko · Real name: Kim Yoon-sung · Date of birth: January 14, 1981 · Height: 173 cm · Blood type: B · Hobby: Drawing, building models · Education: Hongik University