Thenali is a 2000 Indian Tamil comedy-drama film directed by K. S. Ravikumar and written by Crazy Mohan. The film stars Kamal Haasan in the title role, along with Jayaram, Jyothika, and Devayani. The film's music was composed by A. R. Rahman. The story of the film was inspired by the 1991 Hollywood movie What About Bob? directed by Frank Oz.The film opened to positive reviews from critics and was a commercial success at the Tamil Nadu box-office.