Mr Haasan's first tweet was his rendition of the National Anthem:
India's freedom struggle remains unique even today. Respecting it is d only way to keep it & set new world standards https://t.co/sj0vQC4RaL? Kamal Haasan (@ikamalhaasan) January 26, 2016
He describes himself as an 'Actor, Director, Writer, Dancer, Producer' on his profile.
Mr Haasan, 61, thanked his actress daughter Shruti for her welcome tweet:
One of the happiest moments ever on Twitter !!!! Welcome my most favourite person @ikamalhaasan to twitter !!! Love you appa? shruti haasan (@shrutihaasan) January 26, 2016
@shrutihaasan Love you too sk? Kamal Haasan (@ikamalhaasan) January 26, 2016
Kamal Haasan is the star of films like Nayagam, Chachi 420, Indian, Hey Ram and Sadma. (Also Read: From Real to Reel: Shruti to Play Kamal Haasan's Daughter in Tamil Film)