Aaron Kwok Fu-shing (Traditional Chinese: 郭富城, Hanyu Pinyin: Guō Fùchéng) (born 26 October 1965) is a Hong Kong singer, dancer, and actor. He has been active since the 1980s and to the present. The media refer to him, Jacky Cheung, Andy Lau and Leon Lai as the Cantopop Four Heavenly Kings (四大天王). Kwok's onstage dancing and displays is influenced by Michael Jackson. While most of his songs are in the dance-pop genre, he has experimented numerous times with rock and roll, ballad, rock, R&B, soul, electronica and traditional Chinese music.