From Wikipedia
In Greek mythology, the Telchines (Τελχῖνες, Telkhines)...parents were either Pontus and Gaia or Tartarus and Nemesis or else they were born from the blood of castrated Uranus, along with the Erinyes. In another story, there were nine Telchines, children of Thalassa and Pontus ... https://en.wikipedia.org/wiki/Telchines
eta:
In Greek mythology, Pontus (Πόντος, translit. Póntos, lit. "Sea") was an ancient, pre-Olympian sea-god, one of the Greek primordial deities ..//.. according to the Greek poet Hesiod, he was born without coupling https://en.wikipedia.org/wiki/Pontus_(mythology)
I've sometimes wondered if 'Marcion 'from' Pontus' was/is a mythical entity, a 'Telchine-like-character'—'of a confederate in evil'—which would fit the characterisation of Marcion by the relevant Church Fathers
