Born to Tamil film director and producer Kasthuri Raja, Dhanush entered acting after being pressured by his brother, director Selvaraghavan. Dhanush married Aishwarya, Rajinikanth's daughter, on 18 November 2004. They have two sons who were born in 2006 and 2010. He studied at the Thai Sathiya Matriculation High School. He was the brand ambassador of PETA and named India's hottest vegetarian celebrity of 2011. He worked with WWF India to support Earth Hour 2012. In August 2013, Dhanush was signed by Perfetti India Ltd. as their brand ambassador for Center Fresh chewing gum. His first lyric was written for the film Mayakkam Enna songs Pirai Thedum, Voda Voda, Kadhal En Kadhal.