Songsit Roongnophakunsri is an actor, singer, and host signed with GMM Grammy. Born in Phra Nakhon, Kob graduated from Bangkok Christian College and went on to get a degree from Bongkok University's School of Communication Arts. Kob's real nickname is Johnny, but seeing his slim arms and long hands, his school friends called him Kob (which translates to frog) so consistently that it's the nickname he's most known by today. ทรงสิทธิ์ รุ่งนพคุณศรี(1967년생, Thailand) 는 배우로, 대표작으로 시암의 사랑, สาปอสรพิษ, รักสุดท้ายป้ายหน้า가 있으며, 그 외에도 킨포르쉐, ปดิวรัดา, จูเลียตแอนด์จูเลียต, 악마 변호사, ขอฟังอีกครั้งเพลงรักของเธอ, 언틸 위 밋 어게인, Help Me คุณผีช่วยด้วย, สกุณาซ่อนรัก, เดอะ วอยซ์ เสียงจริงตัวจริง, Who Are You เธอคนนั้นคือฉันอีกคน, บทกวีของปีแสง, The Unidentical Twins 등 다양한 작품에 출연했다. 특히 2026년에는 จูเลียตแอนด์จูเลียต에도 참여해서 활동중이다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2026년 Scarlet Heart Ullavee ปาฏิหาริย์ข้ามกาลเวลา에서 King Chai Saen Lue 역을 맡았다. 2026년 Juliet & Juliet에서 Wibun Monchaitrakul [Blue's father] 역을 맡았다. 2026년 วิมานอากาศ에서 Chai 역을 맡았다.