Cheska (체스카) is a Korean-American Twitch streamer and former singer. She is best known as a former singer of FIESTAR. She left the group in 2014 due to personal reasons. She debuted as a solo artist on October 25, 2016 with the digital single "Swish". On May 29, 2018, she revealed through her Instagram account that she would no longer be in the music industry.