Sivakarthikeyan (born 17 February 1985) also known as SK is an Indian actor, playback singer, producer and lyricist, who works in Tamil films. He began his career as a television personality at Star Vijay, initially participating in reality shows, including the stand-up comedy show Kalakka Povathu Yaaru and the dance competition show Jodi Number One. He later went on to become a recurring host of those shows, especially Athu Ithu Ethu, and many other Star Vijay shows for multiple seasons until shortly after he made his acting debut in Marina
