Rajendran debuted in the role of villain in the film Naan Kadavul. After this he continued to don villain roles in the films Velayudham and Uthamaputhiran.
After this he rocked as a comedian in the films Boss Engira Bhaskaran, Darling and Ivanuku Thannila Gandam.
Now he is being flooded with offers. In some of the films he is given much prominence. These days Rajendran has opening mass scene. The film Masss which has Surya in the lead role has big opening mass scene for Rajendran. The film Masss is being directed by Venkat Prabhu.
Currently Rajendran is donning the role of a cop in the film Appatakkar. This film which is being directed by Sooraj has Jayam Ravi, Trisha and Anjali in the lead roles. Rajendran was supposed to make a special appearance in the film but seeing the response of Darling and Ivanuku Thannila Gandam the crew has added more sequences for him.