Films with screenplays by Crazy Mohan

1995 Tamil film directed by Balu Mahendra

1997 film by Sundar C.

1996 Tamil film directed by K. S. Ravikumar

1989 Tamil film directed by Singeetam Srinivasa Rao

2002 Tamil film directed by T. S. B. K. Moulee

1996 Tamil film directed by K. S. Ravi

Panchatanthiram () is a 2002 Indian Tamil-language black comedy film co-written and directed by K. S. Ravikumar. The story is written by Kamal Haasan with the dialogues by Crazy Mohan. The film stars Haasan, Jayaram, Ramesh Aravind, Sriman, Yugi Sethu, Simran and Ramya Krishnan, with Urvashi, Aishwarya, Sanghavi, Vidhya Venkatesh, Devayani and Nagesh in supporting roles. It loosely adapts from the 1998 film Very Bad Things with new elements added to it.

Ratchagan () is a 1997 Indian Tamil-language romantic action film written, produced by K. T. Kunjumon, and directed by Praveen Gandhi in his directoral debut. The music and background score is composed by A. R. Rahman. It stars Nagarjuna and Sushmita Sen in their lead Tamil debuts, alongside Raghuvaran, S. P. Balasubrahmanyam, Vadivelu and Girish Karnad in supporting roles. The film was released on 30 October 1997. It was the most expensive Indian film at the time of release. Notably, this is the only Tamil film to have Sen in a lead role.

Thenali () is a 2000 Indian Tamil-language comedy film directed and co-written by K. S. Ravikumar. The film stars Kamal Haasan, Jayaram, Devayani and Jyothika, with Delhi Ganesh, Charle, Ramesh Khanna and Madhan Bob in supporting roles. It revolves around the title character who follows his psychiatrist Kailash on vacation to cure his numerous phobias. When Thenali becomes closer to Kailash's family, Kailash becomes increasingly obsessed with getting rid of him.