This will be good revision for me, Titans, Olympians and before Gaia are all good.
[spoiler](I don't know the Roman Gods as well as I would like so stay clear of those) [/spoiler]
English
#Offtopic
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Why did Zeus claim his spot as the head/chief among the gods, and choose Poseidon and Hades to be the next best? Also, why are those three more well known than, say, Artemis or Dionysus?