Wikipedia
Karthik ( hindi : कार्तिक) is a Hindu/ Sanskrit Indian popular masculine given name, which means "light", "happiness", "success" and "strength".
Karthik Muthuraman (born 13 September 1960), 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 has won four Filmfare Award for Best Actor - Tamil.
' Karthik' (born 7 November 1980) is an Indian playback singer. Karthik started his professional career as a backing vocalist and has since been working as a playback singer. He has sung in multiple languages including Tamil( over 1000 songs), Telugu( over 500 songs), Kannada( over 300 songs), and in other languages like Malayalam, Bengali and Hindi. Karthik is known for his versatility in the industry which gave him opportunity to sing a variety of songs.
Karthik is a 2011 Kannada action film starring Karthik Shetty and Archana Gupta in the lead roles. The film is directed by Satish B. Shetty and produced by S. Venugopal. The film is a remake of Hindi film Betaab (1983).
Karthik (born 21 January 1988) is a Tamil television actor . He is well known for played the Lead role of Karthikeyan in Vijay TV show kanakanum kalangal kalooriyin kadhai (2011-2012 & Office (2013-2015). Karthik was also a contestant of Jodi Number One (season 7).