Even two years after his demise, Muthuvel Karunanidhi continues to remain a household name in Tamil Nadu. His persona was undetachable from the state's polity. Not only was he the longest-serving Chief Minister of Tamil Nadu, but also a celebrated scholar and artist of the state. His creativity and intellectual prowess earned him the title of "Kalaignar". Om his 97th birth anniversary, here are the lesser-known facts about M Karunanidhi.