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The Leviathan

The Leviathan is a giant Atlantean artifact that was left near the underwater entrance to Atlantis so that it could protect the city from intruders. Being longer than a submarine, the Leviathan is a mechanical monstrosity that closely resembles a lobster. According to Milo Thatch, the Leviathan's lair has ships from every era, meaning that the giant has killed many men throughout the centuries. It is also capable of flight as seen just before the destruction of Atlantis.

Description Edit

The directors always thought of the Leviathan as the largest of Atlantean warships left over from the holocaust that drove Atlantis to the center of the earth. Since that day, the Leviathan has, by circling the entrance to Atlantis, kept intruders at bay.
Don Hahn

The Shepherd's Journal describes the Leviathan as a sea serpent; while the Bible describes it as a beast that breathes fire from its mouth. Milo Thatch thought this was merely a ruse, however, and thought that it was a statue. Unbeknownst to him, the Leviathan was, in fact, a real machination that subsequently attacked the Ulysses.

The Leviathan is a gigantic mechanical lobster, several times larger than the largest man-made vessels ever invented. It is autonomous and intelligent, able to make surprise attacks on intruders and use the underwater terrain to its advantage. It's exoskeleton is resistant to torpedo fire. The Leviathan's primary weapons are its gigantic pincers, which can easily snap ships in half. However, it has smaller mandibles closer to its face that mostly handle the tiny vessels that it destroys. One of these mandibles is large enough to hold the entire Ulysses. The Leviathan is also capable of shooting a powerful energy bolt, generated by wires on its face that work similar to spark plugs. It has two menacing eyes that can zoom inwards like an aperture to examine smaller objects. Despite it's size, the Leviathan is quite agile and fast, manuevering around the underwater pillars to outflank and surprise enemies, and catch up with fast vessels. Using it's unmatched bulk and power, the Leviathan has claimed hundreds of intruding vessels over the centuries. However, it's enormous size became a liability when the Ulysses' sub pods descended into the crevice that the Leviathan couldn't fit through.

History Edit

In Atlantis: The Lost Empire, the Leviathan, or another of its kind, is seen being swallowed by a gigantic tsunami accidently/purposefully generated by the King of Atlantis. It is then charged to guard the entrance to Atlantis.

Nearly 8,000 years later, it attacks the submarine Ulysses for trespassing on its territory. The submarine is destroyed, but a few crew members survive.

In Atlantis: Milo's Return, the Leviathan is known to have investigated the return of Team Atlantis, who returned using the original route instead of using the volcano for some unknown reason, as they would not have encountered the being otherwise. It apparently sensed the Atlantean crystal necklaces the team wore that identified them as Friends of Atlantis and allowed them to pass. Later on, it is mentioned in passing as a possible suspect regarding Kraken attacks, although the Kraken was neither Atlantean nor mechanical.

It is unknown what became of the creature after the raising of Atlantis, but it is presumed that it continues to guard the (no longer needed) entrance.

Abilities and Weaknesses Edit

Being a giant, the Leviathan can easily crush any enemies. It can also shoot lasers from its mouth, which can easily destroy a small ship in one hit. However, due to its size, any ship that manages to elude its capture can get into the entrance to Atlantis, where it is too big to fit.

In the original treatment, Milo figures a way to destroy the Leviathan when in a Sub Pod with Helga Sinclair. However, this concept was dropped early in pre-production. All that remains of this are one or two storyboards and an animation test that also contained an early design idea for Helga.



  • The Leviathan resembles a lobster, much like the other Atlantean vehicles resemble sea creatures. It (or perhaps another of its kind) can be seen flying in the movie prologue.
  • As mentioned by Milo, the creature is one of the three Biblical monsters, the others being the Ziz of the sky, and the Behemoth of the earth, with the Leviathan being of the sea.
  • It is possible that the Leviathan has armaments on par with, or more powerful than atomic bombs, and the Atlantians were testing/using it at the beginning of the film. This is implied by the atlantian's dialogue while fleeing the cataclysmic explosion.

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