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Kartikeya, also known as Skanda, Subrahmanya, Shanmukha and Murugan, is the Hindu god of war. He is generally described as the son of the deities Shiva and Parvati and the brother of Ganesha. Kartikeya has been an important deity in the Indian subcontinent since ancient times. It has been postulated that the Tamil deity of Murugan was syncretized with the Vedic deity of Skanda following the Sangam era. He is regarded as the "God of the Tamil people" and is hailed as the lord of Palani hills, the tutelary deity of the Kurinji region whose cult gained immense popularity. Numerous works in Tamil Sangam literature are devoted to Murugan, such as Tirumurukāṟṟuppaṭai by Nakkīraṉãr and Tiruppukal by Arunagirinathar. Archaeological evidence from the first century CE and earlier shows an association of his iconography with Agni, the Hindu god of fire, indicating that Kartikeya was a significant deity in early Hinduism. The iconography of Kartikeya varies significantly. He is typically represented as an ever-youthful man, riding or near an Indian peafowl, and sometimes with an emblem of a rooster on his banner. He wields a spear called the vel, supposedly given to him by his mother Parvati. While most icons represent him with only one head, some have six heads, a reflection of legends surrounding his birth wherein he was fused from six boys or borne of six conceptions. He is described to have aged quickly from childhood, becoming a warrior, leading the army of the devas and credited with destroying rakshasas including Tarakasura and Surapadma. He is regarded as a philosopher who taught the pursuit of an ethical life and the theology of Shaiva Siddhanta. Kaumaram is the Hindu denomination that primarily venerates Kartikeya. Apart from significant Kaumaram worship and temples in South India, he is worshipped as Mahasena and Kumara in North and East India. He is also worshipped in Sri Lanka, Southeast Asia, other countries with significant populations of Tamil origin, Caribbean countries, and countries with significant Indian migrant populations.