Karthi is a Indian film actor who works in the Tamil film industry. Son of veteran actor Sivakumar and younger brother of Surya Sivakumar, he made his acting debut in 2007 with the top-grossing film Paruthiveeran, receiving critical acclaim and the Filmfare Award for Best Actor for his performance as the titular character. He went on to appear in commercially successful ventures such as Aayirathil Oruvan, Paiyaa, Naan Mahaan Alla and Siruthaiwhich established him in the Tamil film industry