Santhanam had proved that like the humble potato that tastes great with everything, he was the ideal foil for heroes like Arya, Jiiva, STR, Dhanush, Vishal, Jayam Ravi etc. But along came Siruthai to create the most awesome of combinations – Karthi and Santhanam. The madcap shenanigans of the deadly duo had the people rolling in the aisles with laughter.