Mr. Brain is a Tamil comedy Tv serial created by Y. Gee. Mahendran. The story is written by 'Vietnam Veedu' Sundharam, while S.V.Ramanan composes music.Y.G.Mahendra, Typist Gopu, Junior Balaiyya, Kumari Chachchu all star, while Cho Ramaswamy makes a special appearance in the show. The story revovles around three friends; Kalki, Ravi and Nagarajan. Kalki is a lawyer who has earnerd the wrath of many rich and corrupt in his quest to rid the society of evil. His main nemesis being renowned advocate, Vamanan. While Kalki has his own troubles to tackle, Ravi and Nagarajan get into their own with their eccentric antiques. This Y.Gee.Mahendra's compilation is a hearty laughter for all ages and provides wholesome entertainment for the whole family.