What is the importance of Greek mythology in the Percy Jackson series?

What Is Greek mythology

Greek mythology is everywhere in the Percy Jackson series, from Percy, Annabeth, and Grover are children of Athena/Minerva and Poseidon/Neptune, and Grover being a satyr (half man, half goat). Also, the half-bloods fight many Greek mythological monsters, like the Chimera and Echnida. Greek mythology are myths made by Greek philosophers used to explain natural phenomenon.