Ganja Karuppu (aka) Kanja Karuppu is a Tamil comedian actor who prominently plays supporting roles. Appearing in many Tamil films, he is also a regular guest judge on Asathapovathu Yaaru on Sun TV, in Chennai. He has appeared in many blockbuster Tamil films like Raam (2005), Paruthiveeran (2007), Subramaniyapuram (2008), Nadodigal (2009), etc.
He participated in the first season(2017) of the Tamil reality television show Bigg Boss hosted by Kamal Haasan. He was evicted on day 14.