Vallavaraiyan Vandiyadevan

Vallavaraiyan Vandiyadevan was a feudatory of the Chola kings. He was one among the famous chieftains of the Chola emperors Raja Raja Chola I and Rajendra Chola I and chief of the Samanthas of North Arcot and also the husband of Raja Raja I's elder sister Kunthavai Pirattiyar. He is also the major for the Sri Lankan front foot troops of Raja raja l. Territory under his authority was known as Vallavaraiyanadu. He ruled Brahmadesam. Vandiyathevan is idealized in Kalki Krishnamurthy's (Kalki) famous novel Ponniyin Selvan and also in many other novels like Vandiyadevan Vaal, Vandiyadevan Senai thalaivan.

His origins and clan are subjects of great debate. Kalki Krishnamurthy strongly believed his clan is Vaanar Kulam (Bana Kingdom / Magadai Mandalam) and depicted the same in his famous novel Ponniyin Selvan.

He is referred to in the Thanjavur Big Temple inscription in which he is referred to as the husband of Kundavai Alvar.

Vandhiyadevan isone of the key characters of the novel Ponniyin Selvan. The author Kalki Krishnamurthy depicts him as a brave, adventurous and sarcastic warrior/prince of Bana clan, who later becomes the Commander for Southern Troops under the reign of Uttama Chola. Although the second protagonist of the story other than Ponniyin Selvan himself, Vandiyadevan's exploits make the readers to think him as the main hero at multiple points in the novel. He was a bodyguard and close friend of Aditya Karikalan in Kanchi who sends him as a messenger to Sundara Chola in Thanjavur to invite him to the newly built golden palace in Kanchi and also as a trustful guard for Kundavai in Pazhayarai. His unplanned and hasteful acts put himself and others in danger but comes out of them by trickery and luck. He is the lover of Princess Kundavai. He is loved one-sidedly by Manimekalai, the sister of Kandamaran. The author introduces most of the characters to the audience through him. Many of the readers of this book are admired by his character and attitude more than the main protagonist Ponniyin selvan.