The seed of Tiamat refer to hypothetical offspring of Tiamat (a progenitor), as indicated in the Enuma Elish.
Ningishzida (Sumerian), was originally represented in serpent shape having two serpent heads grown from his shoulders, in addition to a human head; and he rides on a dragon. May have originally been depicted as female.
Coatlicue (Aztec), her face is formed by two facing serpents after being sacrificed during the beginning of the present creation. (Moon)
Shesa (Indic), the nagaraja or king of all nāgas and one of the primal beings of creation. Shesha is generally depicted with a massive form that floats coiled in space, or on the ocean of bliss. Sometimes he is shown as five-headed or seven-headed, but more commonly as a many thousand-headed serpent, sometimes with each head wearing an ornate crown. His name means "that which remains". When Shesa uncoils, time moves forward and creation takes place; when he coils back, the universe ceases to exist.
In Sanskrit texts, especially those relating to mathematical calculation, ‘shesha’ implies the "remainder"—that which remains when all else ceases to exist. It can also mean 6 shesham, as the sheshanaga has been depicted to have between 5 to 7 heads.
The symbol of the chanuphis is the most ancient depiction of the feathered serpent. In xenology, its symbol is depicted as a blue serpent with four white wings.
Wadjet (Egypt), the Green One, of the House of Wadget, is one of the earliest known Egyptian serpent deities. She is represented by the uraeus. She was assigned the fifth hour of the fifth day of the moon. The ancient Egyptian word ‘Wedjat’ signifies blue and green. It is also the name for the well known Eye of the Moon. Wadjet was the daughter of Atum, the first god of the Universe. He created her as his eye. Her purpose was to search the Universe for his lost sons, Tefnut and Shu.
Quetzalcoatl (Mesoamerican), meaning “feathered serpent”. The Maya serpent imagery is often seen as a snake being the embodiment of the sky itself; a vision serpent is a shamanic helper presenting Maya kings with visions of the underworld. (Venus)
Nāga (Indic), the Sanskrit and Pali word for a deity or class of entity, or serpent race, taking the form of a very great snake. A female nāga is a nāgin" or nāgini". A Nāgarāja is a "King of the nāga" (Sanskrit: नागराज nāgarāja). The nāgas are described as the powerful, splendid, wonderful and proud semidivine race that can assume their physical form either as human, partial human-serpent or the whole serpent. Their domain is in the enchanted underworld, the underground realm filled with gems and gold. Their power and venom made them potentially dangerous to humans. The Buddhist nāga generally has the form of a great cobra, usually with a single head but sometimes with many.
Nagas are believed to both live on Mount Meru, and in various parts of the human-inhabited earth. Some of them are water-dwellers, living in streams or the ocean; others are earth-dwellers, living in underground caverns.