Onaayum Aattukkuttiyum is a 2013 Indian Tamil-language neo-noir thriller film written, directed, and produced by Mysskin. Sri Natarajan of Vazhakku Enn 18/9 fame, Mysskin, and Shaji Chen play the lead roles in the film. The film score was composed by Ilaiyaraaja. The film had no heroine and no songs. Filming began on 11 March 2013 and the crew shot the entire film in and around Chennai city. Onaayum Aattukkuttiyum was released on 27 September 2013 and got universal acclaim. This film acquired cult status in Tamil cinema and inspired similar themes.