Read the Percy Jackson series
Though it is a matter of opinion, I personally think that Greek mythology is very cool.
Yes; some - though not all - are from Delphi.
you could say it's part of classical greek mythology but also considered a pagan symbol therefore pagan mythology the birth of venus shares a similar story in roman mythology though here she is called aphrodite not venus :)
There was no god of time. There was a titan of time, though. He was Kronos.
Psyche, in Greek mythology, was the daughter-in-law of Aphrodite, her son Eros' wife. She was a mortal princess who was absolutely stunning, though not as pretty as aphrodite.
Celtic Mythology was developed independent and indigineous to the British Isles, though it bears some similarity with other Northern European Pantheons.
Though considered a god, Loki was actually a giant.
Yes, she is on Mythology Island, on the path to Mount Olympus. She turns Hercules into stone when he tries to pull her snake hair. (He seems happy enough as a statue, though.)
It is fiction, even though the gods mentioned in the book were real gods in Greek mythology, and some of the stories in the book are similar to ones in Greek mythology.
Loki. Though considered a god, he was actually a giant.
Phaeton was a son of Helios. His symbol is the sun, though not as grand as that of Helios.
Not really, though you could probably use a heifer or gadfly as her symbol.