the story of lord murugan is written about in skanda purana. legend says that the demon soorapadman tortured the devas. they complained to lord vishnu and brahma. kamadeva was sent to wake lord shiva, who later gave birth to kartikeya. karthikeya killed soorapadman and saved the devas. muruga is shown as the god of love and war. kartikeya married valli and deivayanai .