That would be Poseidon. Poseidon is most known as god of the sea, but he is sometimes known as Earthshaker as well.
The giants were called Titans.
The Greek gods were collectively known as the Pantheon, which in Greek means all gods.
They are called Demi-Gods in Greek and Roman Mythology.
drachmas
zeus
There aren't any powers the Greek gods could not have called upon in myth.
Many Greek gods go into disguise when interacting with mortals. Zeus often had love affairs with mortal women and often disguised himself. When the Greek gods wished to test mortals, they would disguise themselves as well, for example in the myth of Baucis and Philemon. Sometimes the gods disguised themselves as mortals, and sometimes as beasts.
The gods and goddesses are called olympians
The main religion worshiping Greek Gods is called Hellenic. Though many New Age Pagans also worship them.
Polytheism.
By all the Greeks that followed the Greek mythology faith.
IchorThe name of the blood of the gods is Ichor [Ιχώρ]