In various Asian religious traditions, the Nāgas are a divine, or semi-divine, race of half-human, half-serpent beings that reside in the netherworld, and can occasionally take human or part-human for
Virūpākṣa
…modern pronunciation of Pali Virūpakkha. Virūpākṣa is the guardian of the western direction. He lives on the western part of Sumeru. He is leader of the nāgas. He possesses the divine eye (Skt. divyena cakṣuṣā), which allows him to see great distances as well as the karma of sentient beings…
A nāga couple, featured as a Chennakeshava Temple relief
Patanjali as Śeṣa.
Mucalinda sheltering Gautama Buddha (Buddha in Naga Prok attitude) at Wat Phra That Doi Suthep in Chiang Mai, Thailand.
Nāga at the steps of a building in the Wat Phra Kaew in Bangkok.