How many movies have M. Rajesh and Santhanam collaborated on?

They have worked on 5 movies together! Their first movie together was Siva Manasula Sakthi (2009) while their highest rated movie together was Boss Engira Baskaran (2010). They have not worked together since Vasuvum Saravananum Onna Padichavanga (2015). They are most known for their comedy films together.