Dhilluku Dhuddu (film series)

 Dhilluku Dhuddu  is an Indian Tamil-language horror comedy film series starring Santhanam. While the first two films were directed by Rambhala, the third film was directed by S. Prem Anand. The film series consists of unrelated horror stories. All of the films in the film series are noted for being commercially successful films featuring Santhanam as a lead actor.

Production
After the success of Dhilluku Dhuddu (2016), Rambhala subsequently worked on Dhilluku Dhuddu 2 (2019), a sequel to his first film, with the same technical team and Santhanam. He revealed that he was keen to explore some ideas written for the original that he was unable to feature owing to time constraints.

Recurring cast
This table lists the actors who appear in two or more of the Dhilluku Dhuddu films. Since the first two film's director Rambhala, Santhanam and S. Prem Anand (third film director) are from the comedy show "Lollu Sabha", many comedians from the show feature in the films including Maaran, Manohar and Swaminathan (third film). List indicator(s)
 * A dark grey cell indicates the character was not in the film.
 * TBA blue cell indicates the character name not fixed yet in the film.

Reception
The first film received mixed to positive reviews, the second film was released to mixed reviews from critics but positive response from audience, and the third film received positive reviews.

Box office
All three films ran well at the box office and became hits.