Chuu (ex LOONA) Profile and Facts; Chuu (츄) is a South-Korean idol under BY4M STUDIO. She is a former member of LOONA. Stage Name: Chuu (츄) Birth Name: Kim Jiwoo (김지우) Birthday: October 20, 1999 Zodiac Sign: Libra Birthplace: Chungcheong, South Korea Blood Type: A Sub-Unit: LOONA yyxy Chuu Facts: – Chuu debuted December 27, … Continue reading Chuu (ex LOONA) Profile and Facts