Born                  July 28, 1983 (age 28)
Occupation     Film actor, playback singer, lyricist
Years active    2000–present
Spouse              Aishwarya Rajinikanth

Venkatesh Prabhu Kasthuri Raja  better known by his stage name Dhanush (Tamil: தனுஷ்), is an Indian film actor and occasional playback singer and lyricist. His filmography includes critically acclaimed films like Kadhal Kondein, Pudhupettai andAadukalam, for which he won the National Film Award for Best Actor[2] and commercially successful films like Thiruda Thirudi, Thiruvilayadal Arambam, Polladhavan, Yaaradi Nee Mohiniand Padikathavan. He is the son of Kasthuri Raja and the brother of Selvaraghavan, both directors in Tamil cinema.
PERSONAL LIFE
Family
Dhanush was born to film director Kasthuri Raja as Venkatesh Prabhu Kasthuri Raja (Tamil: வெங்கடேஷ் பிரபு கஸ்தூரி ராஜா). He finished higher education at St. John's Matriculation Higher Secondary School Alwarthirunagar and entered acting, after being pressurised by his brother, director Selvaraghavan.[28] Dhanush was married on 18 November 2004 to actor Rajinikanth's daughter Aishwarya.[29] They have two sons, named Yatra (b. 10 October 2006) and Linga (b. 21 June 2010).
AS Singer
Dhanush sang a song KOLAVERI DI....in Nov.2011 for his movie "3" which is directed by his wife.This song became viral on internet and got more than a 4.6 million hits on youtube within days and with over 8.2 Millions link shared on Facebook in less than a week".This song became a major hit.

Facebook account
In August 2009, Dhanush publicly announced that an account on Facebook under the name "Dhanush Kasthuri Raja" was not him and was a fake user, taking his identity. The account had nearly 4000 friends added, which the actor claimed were mostly global fans of his. He ordered the user to deactivate the account immediately, before any intentions of tarnishing his image, while he takes up the issue with cyber-crime authorities

Filmography
As Actor
 
Year    Film      
2002    Thulluvadho Ilamai      
2003    Kadhal Kondein      
2003    Thiruda Thirudi      
2004    Pudhukottaiyilirundhu Saravanan      
2004    Sullan      
2004    Dreams      
2005    Devathaiyai Kanden      
2005    Adhu Oru Kana Kaalam      
2006    Pudhupettai      
2006    Thiruvilayadal Arambam      
2007    Parattai Engira Azhagu Sundaram      
2007    Polladhavan      
2008    Yaaradi Nee Mohini      
2008    Kuselan      
2009    Padikathavan      
2010    Kutty      
2010    Uthama Puthiran      
2011    Venghai      
2011    Seedan      
2011    Mappillai      
2011    Mayakkam Enna      
2011    Aadukalam      
2012    3     

As lyricist
 
Year    Songs    Film      
2011    Pirai Thedum
Voda Voda Dhooram Korayala
Kadhal En Kadhal    Mayakkam Enna      
2011    Why This Kolaveri Di    3     

As singer
 
Year    Songs    Film      
2004    Naatu Sarakku    Pudhukottaiyilirundhu Saravanan      
2010    Un Mela Aasadhan    Aayirathil Oruvan      
2011    Voda Voda Dhooram Korayala
Kadhal En Kadhal    Mayakkam Enna      
2011    Why This Kolaveri Di    3     

Awards
 
Year    Awards    Film      
2008    Vijay Award for Entertainer of the Year    Yaaradi Nee Mohini      
2011    National Film Award for Best Actor    Aadukalam