"Fiat" Patchata Janngeon is an actor, singer, and dancer born in Chiang Mai. In 2019, he graduated with a bachelor's degree in film and digital media from Siripatum University where he made first-class honours.

Fiat made his acting debut starring as Tee in the film "Grean Fictions." He was nominated for Best Actor at the 22nd Bangkok Critics Assembly and the 23rd Thailand National Film Association Awards for the role.

From 2016 to 2022, Fiat was signed as an artist under GMMTV. While under the company, he sang for the OSTs of "My Tee" (2018) and "Our Skyy: Pick-Rome" (2018). He released a couple singles under them, debuting with "Better Man" (แค่อีกครั้ง) in 2020. In October of 2022, Fiat became the fourth—and second Thai—member of the Thai-Japanese hip-hop group Baby Mic Candy. The group conducted a nationwide search documented in their GMMTV-produced series "BMC Way: Thai Rap Mission."

He announced his name change from Pattadon to Patchata on June 3, 2022.