Marcus Chin On Kang (born 22 September 1953) is a Singaporean host, actor, comedian, singer, radio DJ, and businessman.
During the 1990s, he was mainly known for starring in comedic roles in the long-running Comedy Nite (搞笑行动) and various shows alongside Jack Neo, Moses Lim, Mark Lee, Henry Thia, John Cheng and Jimmy Nah.
Chin left J-Team with one year remaining on his 10-year contract after he separated with his wife, Murong Ying, to be with then-girlfriend, Eileen Cheah.
Having signed to the company since its inauguration in 2017 and acknowledging their good working relationship, Chin remarked that it will be a "lifetime" contract.
In an interview with 8 Days in 2018, Chin revealed that he is still legally married to Murong Ying and that she still lives in their marital home.