Park Hyo Jun is a South Korean actor, singer and YouTuber. He graduated from Dongguk University Affiliated High School and later obtained a bachelor's degree in Theater and Film from Joongbu University. He made his debut in 2000 with a minor role in the movie "Gangster Lessons 3" (깡패수업3) but he gained popularity as a scene-stealer for his roles in the 2004 movie "Once Upon a Time in High School" (말죽거리 잔혹사) and in the 2014 drama "Bad Guys" (나쁜 녀석들). He stopped acting in early 2018 and focused on his YouTube channel before returning in 2022. (Source: MyDramaList) Watch drama online for free.