Murali Karthikeyan Muthuraman best known by stage name Karthik, is an Indian film actor, playback singer and politician. He is the son of actor R. Muthuraman. He was first introduced by Bharathiraja in the film Alaigal Oivathillai. He has primarily appeared in lead roles in Tamil films. He has also appeared in some Telugu films. Karthik has been the recipient of the Tamil Nadu State Film Awards and the Nandi Award. He won five Filmfare Awards South.