On the special occasion of Suriya's birthday, the makers of Karuppu released the film's teaser on Wednesday. It marks Suriya's return to his birth name, Saravanan. Dressed in a striking black-and-white look, Suriya plays Karuppu Samy - the guardian deity worshipped in Tamil Nadu. Wearing a black shirt and dhoti, his village look brings out a raw and simple charm that reflects the film's traditional background.Guardian Deity and Lawyer: Suriya's Double Role in KaruppuThe teaser soon switches to show Saravanan as a lawyer in the city, wearing a lawyer's coat in court.