There isn't really one, but Zeus is the king of the gods, the chief of the gods. So I guess you could could say he is the god of the gods, even though he really isn't.
He wasn't a god he was the king of crete I'm not totally sure but his name may have to do with the prefix in the word Minotaur, the beast that lived in the gigantic maze (labyrinth) he had built...
There are lots of Greek gods. I will name the main gods and goddesses, called the Olympians. Aphrodite- love and beauty Apollo- sun, medicine, music, poetry, dance, math, herdsmen, and prophecy Ares-...