Murali Karthikeyan Muthuraman known by screen name Karthik, is an Indian film actor, playback singer and politician. He is the son of veteran actor R. Muthuraman. He was first introduced by Bharathiraja in the film Alaigal Oivathillai.
Children: Gautham Karthik, Thiran Karthik, Ghayn Karthik
Parents: Sulochana Muthuraman, R. Muthuraman
Spouse: Rathi Muthuraman (m. 1992), Ragini Muthuraman (m. 1988)