Pichetpong Chiradatesakunvong (Thai: พิเชฐพงศ์ จิรเดชสกุลวงศ์; born 16 October 2003), known professionally as Hongshi (Thai: ฮงชิ) or by his nickname Hong (Thai: ฮง), is a Thai-Chinese singer, rapper, and actor. He is the main rapper of the Thai boy band LYKN, a group managed by Riser Music and formed through GMMTV's survival reality show Project Alpha (2022). In addition to his musical career, he is recognized for portraying Dylan Zhou in the television series ThamePo: Heart That Skips a Beat (2024).
Early life and education
Pichetpong was born on 16 October 2003 and grew up in Bangkok, Thailand. He is the elder of two sons in a Thai-Chinese family whose family has roots in the Isan region. He completed his secondary education at Suankularb Wittayalai School, where he played football and served as a school cheerleader for Jaturamitr Samakkee, a traditional football tournament of boys' schools in Thailand. He later attended Chulalongkorn University, enrolling in the Bachelor of Arts and Science in Integrated Innovation (BAScii) international program.
Career
2020–2023: Pre-debut and Project Alpha
Pichetpong began performing in the eighth grade as a member of the K-pop cover group TNT, participating in several local dance competitions. In late 2022, he auditioned for GMMTV's reality competition show Project Alpha after being scouted through mutual school connections. Having initially trained primarily in dance, he shifted his focus to rapping throughout the competition, which aired from December 2022 to March 2023. He finished the show in fourth place, securing a position as a member and main rapper of the Thai boy band LYKN.
2023–present: Debut with LYKN and acting career
Pichetpong debuted as a member of LYKN, alongside William, Lego, Nut and Tui, with the release of their digital single "เลิกกับเขาเดี๋ยวเหงาเป็นเพื่อน (May I?)" on 5 May 2023. In 2024, he began contributing to songwriting under his moniker Hongshi, serving as an assistant writer for LYKN's single "Sugoi" and co-writing the rap lyrics for "Trick or Treat". Later that year, he made his television debut starring as Dylan Zhou, the main rapper of a fictional boy group named MARS, in the television series ThamePo: Heart That Skips a Beat (2024). He continued his songwriting activities in 2025 by co-writing the rap lyrics for the group's single "First Sight". On 7 April 2026, he released his debut solo digital single "ถูกสเปก (Let's Go)" under Riser Music, which he wrote and composed. In October 2026, he expanded into entrepreneurship by launching his independent clothing brand, REDRICE. He was subsequently cast in upcoming drama series, securing a supporting role as Night in Twenty One and a lead role as Max in I Wanna Hold Your Hand.