Perth Patsarut Kooncharoen is a voice actor, emcee and artist under Be On Cloud. He attended Buranasuksa School in Bangkok.

Perth first entered the entertainment industry as an emcee at the age of six. At the age of eleven, he cohosted the MCOT HD programme "Little Cook กุ๊กตัวน้อย" alongside his younger brother "Porsche" Pathaseth Kooncharoen. He's lent his voice to various films, performing the Thai voices for characters such as Bill Denbrough in the 2017 film "It" and Billy Batson in the 2019 film "Shazam!"