ชยธร ไตรรัตนประดิษฐ์

Tui Chayatorn Trairattanapradit is a Thai singer, songwriter, beatboxer, music producer, drummer and lead vocalist of the boy group LYKN (ไลแคน) signed under Riser Music and GMMTV. He studies at Srinakharinwirot University's College of Social Communication Innovation, majoring in acting and directing for film.

LYKN's debut single "May I?" premiered on May 5, 2023. In 2024, he got his start as an assistant writer on Win Metawin's "Night Ride" (ดึกมากแล้ว), also providing backing vocals on the track. He co-wrote for LYKN for the first time on their fourth single "Charm" (ฉ่ำ) before fully writing and composing his first single "LYKYOU" which was first performed at the LYKN UNLEASHED concert on September 21, 2024, months ahead of its digital release. It was with the release of his OST "From Now On" on August 30, 2024, that he made his solo debut.

After making his acting debut in LYKN's short film "No Worries" in 2023, Tui booked his first TV role in the series "ThamePo Heart That Skips a Beat".