While there are many Gods in Greek Mythology, the most popular include Zeus, Poseidon, Apollo, Hermes, Ares, and Hephaestus. 

Hera, Athena, Aphrodite, Artemis, Dionysus, and  Demeter are a few of the most well known Greek Goddesses. 

Well-known Greek Mythical Creatures include Pegasus, Centaur, Cyclopes, Minotaur, Phoenix, and Medusa, among many others!