Sivakarthikeyan introduces his son Gugan Doss. See first pic Sivakarthikeyan introduces his son Gugan Doss. See first pic Sivakarthikeyan took to social media to introduce his son to the world. He also revealed the munchkin's name to be Gugan Doss with a cute picture. advertisement Sivakarthikeyan introduced his son Gugan Doss to the world. Sivakarthikeyan took to Twitter on Tuesday (August 3) to introduce his son to the world. He also revealed his name to be Gugan Doss. Sharing the first photo of his son, Sivakarthikeyan can be seen kissing him on his forehead. The actor and his wife Aarthi welcomed their second child, a baby boy, on July 12. The couple became parents to daughter Aaradhana in 2013.