Venkatesh Prabhu Kasthuri Raja (born on 28 July 1983), known by his stage name Dhanush, is an Indian film actor, playback singer, lyricist, film and music producer known for his work in Tamil cinema. He won the National Film Award for Best Actor for the movie Aadukalam in 2011. The same year, he received international attention with his song "Why this Kolaveri Di"