Park Hyung Sik is a South Korean singer, dancer, actor, musical actor, producer and member of ZE:A (제국의 아이들). He graduated from Singal High School and later obtained a bachelor's degree in Acting Arts from Digital Seoul Culture and Arts University.

He made his debut in January 2010 as the group's main vocalist and visual with their first single album, "Nativity". Originally named Child of Empire, Star Empire Entertainment (스타제국) decided to officially establish it as ZE:A. However, they faced immediate controversy as it was very similar to Brown Eyed Girls member JeA.