• Stage Name: D:elta
    Real Name: Choi Yeon Soo

    Group: ALPHABAT (former member)
    Position: Lead Vocalist

    Birthday: May 17, 1991

    Zodiac Sign: Taurus

    II. Career

    He was a member of the boy group ALPHABAT but he left them on November 1, 2016.

    III. D:elta Facts

    – His hobbies are exercising and playing the guitar.

    – He likes to listen to hip-hop music.

    – He is part of Trio 91 with E:psilon and F:ie.

    – He and I:ota worked together for AlphaBAT single “A-ya.”

    – He is the golden voice in Alphabat.

    – His favorite color is white.

    – “Delta” is the 4th letter of the Greek alphabet (Δ).