Nāga

The nāga are a race of deities or beings in the form of great, sometimes multi-headed, snakes. The form is often that of a cobra, and at times the nāga is in the shape of a human from the torso and up.

Source
The nāga originates from indian religions dating back to around 500 BC.

Media
Nāgas appear in the following media:

Games

 * Khimera: Destroy All Monster Girls
 * Might & Magic X: Legacy
 * Magic: The Gathering
 * Khimera: Destroy All Monster Girls
 * Might & Magic X: Legacy
 * Magic: The Gathering
 * Magic: The Gathering

Movies

 * Nagin (1954)
 * Nagin (1976)
 * Nagina (1986)
 * Nigahen (1989)
 * Jungle Boy (1998)
 * Jaani Dushman: Ek Anokhi Kahani (2002)
 * Hisss (2010)

Novels

 * Berserk
 * Goblin Slayer

TV Series

 * Naaginn (2007-2009)
 * The Secret Saturdays (2008-2010)