Wikipedia
Goundamani
Goundamani (born Subramani Karuppaiya on 25 May) is an Indian film actor and comedian. He is better known for his comic duo partnership in Tamil films with fellow actor Senthil. His real name "Mani" got the "Counter" prefix for his ability to give counter on the spot and off the script on stage and during shooting which eventually evolved into Goundamani as per Bhagyaraj who was writing scripts and title credits for Bharathiraja in his early days during the movie 16 Vayathinile.