Dhanush is an Indian film actor, producer, lyricist and singer known for his work in Tamil cinema. He made his acting debut in 2002 with the coming of age drama, Thulluvadho Ilamai, directed by his father Kasthuri Raja. His role as a mentally-disturbed man in Kaadhal Kondein (2003)—directed by his brother Selvaraghavan—won him critical acclaim. The following year, he starred in Subramaniam Siva's Thiruda Thirudi, a commercial success. This was followed by a series of commercial failures—Pudhukottaiyilirundhu Saravanan (2004), Sullan (2004) and Dreams (2004). He had two releases in 2005—Devathayai Kanden and Adhu Oru Kana Kaalam.
In 2006, Dhanush starred in the gangster film Pudhupettai, which was critically acclaimed and moderately successful at the box-office. He next collaborated with debutant director Vetrimaaran in Polladhavan (2007). Based on the Italian neorealist film Bicycle Thieves, it was critically acclaimed and commercially successful. His subsequent releases—Yaaradi Nee Mohini (2008) and Padikkadavan—were box-office successes. He collaborated with Vetrimaaran for the second time in Aadukalam (2011). His role as a rooster fight jockey in the film won him that year's National Film Award for Best Actor and the Best Tamil Actor Award at the 60th Filmfare Awards South. In 2012, he received international attention with the song "Why This Kolaveri Di", which was recorded for Aishwarya R. Dhanush's directorial debut 3. His role as a man who is suffering from bipolar disorder in the film won him his second Filmfare Award.