Asura · Kaumara · South India
Surapadman
In the Tamil Kanda Puranam, the eldest of the three sons of Surasa and Kashyapa who won boons from Shiva and oppressed the gods, the reason Murugan was born; killed by the vel at the end of a six-day war, remembered in the Surasamharam of Kanda Shashti at Tiruchendur.
Sources: Kandar Anubhuti, introduction: the story of Murugan's birth in the Kanda Puranam (kaumaram.com); Wikipedia: Kartikeya; Surasamharam; Kanda Puranam (redirects to Skanda Purana) · see Surapadman's web