Donut Suppawit Thongyuen
BIOGRAPHY
Suppawit Thongyuen (Thai: ศุภวิชญ์ ทองยืน; born 6 March 1997), known as Donut, is a Thai actor with four screen credits, all of them boys’ love. That is unusual on this site. Most of the performers here reach the genre from somewhere else; he has never worked outside it.
He entered the industry in 2021 through the LINE TV talent search programme New Star Thailand: The Beginning. His screen debut came two years later as Ryu in two episodes of Wedding Plan (แผนการ(รัก)ร้ายของนายเจ้าบ่าว), the Me Mind Y series that ran on GMM 25 from 19 July 2023. He returned to the same production house for Wim across all ten episodes of The Boy Next World (คนละกาลเวลา), the parallel-universe romance broadcast on Amarin TV between 5 January and 9 March 2025.
He left Me Mind Y in November 2025, alongside his The Boy Next World co-star Kashane Pichetsopon, and both went independent. Their first work after the split was together: Tutoring My Enemy (ติวเตอร์หัวใจนายตัวแสบ), an iQIYI production of fifty short episodes released in a single drop on 2 January 2026, in which Suppawit plays Push and Kashane plays James. They are the only two names on the credited cast, and Suppawit is billed first. It is his first leading role.
He followed it as Thian across all ten episodes of Crazy Love, Moo-Moo! (พี่ฟากชอบเธอมู่), made by Blue and Co. for Channel 3 between 9 May and 11 July 2026.
BLGLFlix editorial view
He is routinely described as a supporting player. He has four credits, all in remit, and in one of them he is the lead. Calling a leading man a supporting player is not a rounding error, it is the wrong story about his career.
The actual story is a good one. Two actors leave the agency that cast them together, in the same month, and their next job is a two-hander they carry between them. Kashane Pichetsopon played Jin opposite his Wim in The Boy Next World in early 2025; by January 2026 the two of them are the entire credited cast of Tutoring My Enemy. Whether that was arranged before they left or fell into place afterwards is not documented anywhere, and guessing would be worse than saying so, but the sequence is on the record and it belongs on this page.
Tutoring My Enemy is also worth flagging as a coverage problem for the genre as a whole. Fifty episodes, all released on 2 January 2026, on iQIYI: that is short-form vertical drama, the format quietly taking a large share of Asian streaming output while English-language genre coverage more or less ignores it. Partly that is because a fifty-episode count looks like a data error sitting next to a ten-episode broadcast series. It is not an error. It is a different product with different economics, and most databases, which assume one record per work and a weekly episode calendar, handle it badly.
PROFILE DETAILS
- Native Name
- ศุภวิชญ์ ทองยืน
- Real Name
- Suppawit Thongyuen (ศุภวิชญ์ ทองยืน)
- Nickname
- Donut (โดนัท)
- Pronouns
- he/him
- Born
- (Age 29)
- Gender
- Male
- Western Zodiac
- Pisces ♓
- Chinese Zodiac
- Ox 🐂
- Profession
- Nationality
- Debut
- 2023 — Wedding Plan (2023) as Ryu
- Agency / Label
- Independent (formerly Me Mind Y, until November 2025)
- Years Active
- 2021-present
- Languages
- Thai
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