Kenji (Natthapong Thonguthaisiri)

Also known as: Natthaphong, Ken, KJ

Agency: XEBIS Entertainment (Workpoint Entertainment)

Date of birth: 27 July 2005 (21 years old)

Country: Thai

Height: 168 cm · Weight: 50 kg

"Kenji" Natthapong Thonguthaisiri is a member of the co-ed group ALTERS (อัลเตอร์ส) under XEBIS Entertainment (ซี บิส เอ็นเทอร์เทนเมนท์). They made their debut on December 12, 2025, with their first single "Giggle Wiggle."