Thillu Mullu (transl. Hanky-panky) is a 1981 Indian Tamil-language comedy film directed by K. Balachander and written by Visu. A remake of the 1979 Hindi film Gol Maal, it stars Rajinikanth, with Thengai Srinivasan, Nagesh, Poornam Viswanathan, Sowcar Janaki, Madhavi and Viji Chandrasekhar in supporting roles. The film is about Chandran, who lies to his boss to get a leave but gets caught. To save his job, he is forced to pretend to his boss that he has a twin brother.