Pattukkottai Prabakar is a prolific writer of Tamil crime and detective fiction. He has also worked as a screenwriter in the Tamil film industry, and also for Paramapadham, the first Tamil-language "mega-serial" shown on Doordarshan.

First published in the 1977 in Anandha Vikatan. He has written more than three hundreds novels, more than two hundred short stories. Lots of his novels are translated in Telugu and Kannada. He has also worked as a Dialogue writer in more than ten movies in Tamil.

Prabakar's novels most commonly feature the adventures of the detective couple Bharat and Susheela, of Moonlight Agencies, and their employees Marikkozhunthu (a.k.a. Madhavi) and Ravi. There is a running gag in the books about the slogans on Susheela's T-shirts.

Pattukkottai Prabakar frequently collaborates with the detective fiction author duo Subha; some novels have appeared featuring both Bharat and Susheela and Subha's detective couple, Narendran and Vaijayanthi.