Siva karthikeyan born on 17 February 1985 to Late Mr.G.Doss who was an Police officer. His grandfather is a "Padmashree" award winner for Nadaswaram. He done his schooling in Campion Anglo Indian Hr. Sec. School, Trichy. He has completed his Bachelor of Engineering in Computer Science and Engineering at J. J. College of Engineering and Technology, Trichy and MBA from Indian Institute of Planning and Management, Chennai. His Sister is a well known doctor in Trichy and he lives along with mom and wife in Chennai.He got engaged to Aarthi who is his relative on 16th May 2010, and got married on 27th August 2010.
Career in Small Screen
He began his media career as a participant on Vijay TV's "Kalakka Povathu Yaaru", a comedy reality show, and he win title of "Kalakka Povadhu Yaarru". After this the channel shows him as the regular presenter for their regular shows upon witnessing his sense of humor, which consists of quick-witted satirical one-liners and often poking fun of his co-hosts and fellow contestants in shows. He has hosted a number of shows on Vijay TV, including the third and fifth seasons of Jodi No. 1, Adhu Idhu Edhu, Boys vs. Girls and Airtel Super Singer Junior while also conducting special film-promotional interviews. He did a minor role in an ad for Vivel along with Trisha Krishnan.He also did two short films namely Mugapputhagam and Identity.
Career in Big Screen
He did his first movie namely "Marina" pairing with Oviya Helen directed by pandiraj, then he did side in Dhanuh's "3". "Ethir Neechal" he got his great opportunity from Dhanuh's Productions, he did lead role pairing with Priya Anand. Again with Director Pandiraj he did "Kedi Billa Killadi Ranga" with his co-star Vimal.
Then he came up with Varutha Padatha Valibar Sangam, Maan Karate pairing with Hansika Motwani.
Finally he made his debut in Varutha Padatha Valibar Sangam as a singer.