Sivakarthikeyan began his career as a stand-up comedian in Kalakka povadhu yaaru (2005), a Tamil reality TV show aired on Star Vijay. He first came into the limelight after winning this show.
Impressed by his hosting skills at the audio launch function of the film Vaagai Sooda Vaa, director Pandiraj approached Sivakarthikeyan to play the lead role in his film Marina in the year 2012. He featured alongside Oviya, and was praised for his performance.
Sivakarthikeyan's net worth is reported around Rs 120 crore currently, and he is likely to have great growth with several commercial films lined up for release. Sivakarthikeyan and Dhanush were once close friends, but their friendship reportedly soured. Dhanush had played a significant role in launching Sivakarthikeyan's career as a lead actor, producing his debut film Ethir Neechal. However, rumors of differences between them led to their estrangement.