Thunaivan (transl. Companion) is a 1969 Indian Tamil-language Hindu devotional film directed by M. A. Thirumugam and produced by Sandow M. M. A. Chinnappa Thevar. It was written by V. Balamurugan, while the music was composed by K. V. Mahadevan. The film stars Sridevi, A. V. M. Rajan and Sowkar Janaki while Major Sundararajan, Nagesh, Sachu, Vennira Aadai Nirmala and K. B. Sundarambal are featured in supporting roles. The film marked Sridevi's first leading film role of her career at the age of five, playing Lord Muruga. It was partially filmed in black and white and Eastmancolor, and was a commercial success, running in theatres for over 100 days. The film was remade in Hindi as Maalik.