"Auau" Thanaphum Sestasittikul, born in Pathum Thani, Thailand, is a singer and actor under the BL (Boys' Love) production company Domundi (ดูมันดิ). After graduating from Saint Gabriel's College, he went on to study communication arts at Silpakorn University.
Alongside some fellow LAZ iCON contestants who didn't make the final cut, he was previously a member of the boygroup DVI (ดี-วาย) under 4nologue (โฟร์โนล็อค) until 4nologue ended music production in February 2024 and all artists were released from their contracts. In June 2025, he debuted as member of Domundi's first actor-based boy group DEXX (เด็กซ์).
Auau was previously managed by Exact Scenario.
He studied Communication Arts at Silpakorn University and attended Saint Gabriel's College.
He participated in the 2021 survival shows The Star Idol and LAZ iCON, reaching episode 7 before elimination in the latter.
He was a member of the project group DVI from 2022 to 2024.
Domundi added him to their roster in 2024 as part of their fourth generation.
He made his acting debut in 2024 in the series Your Sky with a supporting role.
His first main acting role was in the 2025 BL Mr. Fanboy, which he starred in alongside Save.
He became a member of the boy group DEXX on June 11, 2025, and later became a soloist under DMD MUSIC on January 22, 2026.
He sang the track "ฝากดาว" for Your Sky's soundtrack.
He appeared in TRINITY's "Champagne Poppin" music video.
He made appearances on the variety shows Sound Check (2021) and New School Breakin (2022), and will appear in Ho Tua Di.
He collaborated with JETAIME on "RED WINE", performed with other DVI members on PSYCHIC FEVER's "To The Top" and TRINITY's "YESTERDAY TODAY TOMORROW", and made guest appearances at their concerts.
Auau has two older sisters; his sister is also a singer who auditioned for The Star Idol.
His childhood dream was to become a professional soccer player.
His mother secretly submitted an audition tape for The Star Idol on his behalf.
He discovered his passion for acting while competing on survival shows.
He maintains close friendships with Por, TeeTee, Thomas, Kong, and Patji.
He endorses brands including PUMA, Tom Ford, Maybelline, and Robinson.
He tried competitive taekwondo but eventually quit due to the physical demands.
His special skills include singing, dancing, soccer, and taekwondo.
His hobbies are sleeping, watching anime, and working.
His favorite animal is a cat, and his favorite colors are black, navy blue, red, green, and white.
He prefers dancing to singing and likes beaches more than mountains.
He enjoys planning his own trips rather than using tour groups, and prefers relaxing travel over adventurous expeditions.
He favors English songs over Thai ones and enjoys pop and R&B music.
His favorite sports are football, taekwondo, and basketball.
He enjoys eating salmon, BBQ, hotpot, sushi, and Som Tam Thai.
His favorite comic series is Demon Slayer.
He admires ASTRO's Cha Eunwoo, BTS' Jungkook, Henry Moodie, and Bruno Mars.
He owns two cats named Yuzu and Dongmin.
Auau describes himself as friendly but not very talkative; others view him as pure and lively.
In his childhood, he was loud and quick-tempered but became quieter and more reserved during middle school after losing fights due to his small stature.
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