Thought this was kind of interesting, and was wondering if anyone else has put together the pieces to the puzzle that SE has laid down the groundwork regarding Alexander.
Firstly, there are two sets of avatars (summons) Terrestrial and Celestial.
Terrestrial (dealing with aspects of the world of Vana'diel, and thus why they don't appear on the starchart in Windurst)
Carbuncle: Bringer of rainbows
Fenrir: Guardian of the moon
Bahamut: King of the skies
Phoenix: Fiery bird of rebirth (forged into Tenzen's great katana)
Diabolos: Keeper of the realm of dreams (Dynamis)
Celestial (aka "from the heavens (sky)" = constellations, with prime stars based off their inherent element and thusly found on the starchart in Windurst)
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http://img443.imageshack.us/img443/1223/stellarjy0.gif
Ramuh (Olduum) - it has been very clear that this relationship is important, considering the many quests revolving around the Olduum civilization and their link with Ramuh/lightning.
Ifrit (Falbub)
Leviathan (Veydal)
Garuda (Vuychap)
Titan (Daemdalus)
Shiva (Aeomatra)
Odin (Sleipnir) - prime star is the name of his horse. Also called the Dark Rider (mentioned in the assault storylines). If you still think the Dark Rider isn't Odin, do everyone a favor and punch yourself in the face.
Alexander (Gordius) - now things get really interesting; the Walahra Temple maintains the "Gordeus," an object that "...holds the answer to all existance..."
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http://img409.imageshack.us/img409/1136/walahraln6.jpg
I know Gordius =/= Gordeus, but the correlation has to a simple translation error, considering how pivotal that word is in its relation to Alexander.
Even more interesting is that an NPC in Whitegate speaks specifically of a "humanoid" used by Emperor Alzadaal to conquer the land, and that power was used to build the foundation of his empire. Could we take that foundation literally, thus making it the Alzadaal ruins?
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http://img409.imageshack.us/img409/3184/zaranfom7.jpg
Also interesting about Alzadaal is some information given by the Automaton maker, Ghatsad, during the first leg of the new missions.
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http://img432.imageshack.us/img432/8...uinssu5.th.jpg
Alexander has always been a huge, humanoid-esque, holy-powered mechanical castle. Would it be too far of a stretch to link Alexander with the automations, considering that Alzadaal controlled a humanoid, and used plasma oil (same as that used in automatons) in the construction of the undersea areas that can apparently move mechanically. Even more interesting is the potential for the Astral Candescence (and thus Astral Wind) to play a role in this whole plot; control all the Candescences, and you control Alexander? Is this the true driving force behind the actions of those involved in this story? It's all very interesting nonetheless.