It was southern superstar Dhanush's birthday yesterday. The actor who gained international recognition with his sleeper- hit 'Why This Kolaveri Di' turned 31. Seen as the most promising South Indian export to Bollywood, Tellychakkar.com takes a look at 10 unknown interesting facts of this slim, soft-spoken son-in-law of Rajinikanth. Dhanush is the stage name of this actor. His real name is Venkatesh Prabhu Kasthuri Raj. Dhanush was born in a very poor family and his father worked as a mill worker before entering the film industry as an assistant director. Dhanush acted for the first time ever at the age of 16 in a movie directed by his father. Dhanush is a great Shiv bhakt and is has named his two sons Yatra (pilgrimage) and Linga (synonymous with Shiv Lingam). Dhanush doesn't believe in idol worship. Dhanush met his wife Aishwarya Rajinikanth at the screening of Kadhal Kondaen. So impressed was Aishwarya with Dhanush's performance that the next day she send him a bouquet and told him to stay in touch. Two years later, both got hitched. Aishwarya is two years older to Dhanush. Dhanush fell in love with a girl when he was 16 but unfortunately the girl dumped him after he failed his Class 12 exams. Dhanush has a great inclination towards music. He writes and sings Tamil songs. Dhanush cannot speak much Hindi. If you have something more to share, hit the comment section below.