"Tui" Chayatorn Trairattanapradit is a Thai singer, drummer and member of the boy group LYKN signed under GMMTV and Riser Music. He studies broadcasting at Bangkok University. LYKN's debut single "May I?" premiered on May 5, 2023. In 2024, he assisted in writing Win Metawin's "Night Ride," also providing backing vocals on the track.