who is the entity mentioned at last who was sacred to zeus?
Phaethon was the son of the Oceanid Clymene and the solar deity Helios in Greek mythology.
Phaethon
Phaethon (; , "Phaéthōn", ) was the son of the Oceanid Clymene and the solar deity Helios in Greek mythology. 
mention a few mythologies on planet? The Greeks made each planet sacred to one among their pantheon of gods, the Olympians: Helios and Selene were the names of both planets and gods; Phainon was sacred to Cronus, the Titan who fathered the Olympians; Phaethon was sacred to Zeus
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Phaethon [SEP] Introduction
Phaethon (; , "Phaéthōn", ) was the son of the Oceanid Clymene and the solar deity Helios in Greek mythology. His name was also used by the Ancient Greeks as an alternative name for the planet Jupiter, the motions and cycles of which were personified in poetry and myth.