How many movies have Babu and S. P. Muthuraman collaborated on?

They have worked on 24 movies together! Their first movie together was Kanimuthu Paappa (1972) while their highest rated movie together was Aarilirunthu Arubathu Varai (1979). They have not worked together since Enakkul Oruvan (1984). They are most known for their drama films together.