Once dormant underneath Stone Mountain in the U.S. state of Georgia, Tiamat was awakened by King Ghidorah's call in 2019 and began to attack humanity. She was pacified when Madison Russell activated the Orca in Boston. Some time later, Tiamat was residing near one of Godzilla's old lairs in the Hollow Earth, and attacked him when he came to reclaim it. Tiamat dominated much of the fight until Godzilla managed to bring her onto land, after which he was able to get Tiamat to submit and withdraw.
Tiamat is named after a Babylonian salt sea goddess (𒀭𒌓𒌈). The mythological serpent gave birth to gods who later killed her and used her carcass to create Earth.
Tiamat was designed by well-known kaiju and creature artist Dope Pope.
Tiamat is a colossal sea serpent with a dark purple body. Lining down her form are numerous bioluminescent fins and sharp plates. Multiple sets of barbels hang from a beaked head with bright yellow eyes.
Tiamat is hostile and territorial, shown when she attacks Godzilla once he comes to claim his lair.
- Godzilla: King of the Monsters (2019) [mentioned]
Residing at Outpost 53, beneath Stone Mountain in the U.S. state of Georgia, Tiamat was one of the many Titans who began to attack humanity under the direction of King Ghidorah. She was later pacified when Madison Russell activated the Orca at Fenway Park.
- Godzilla Dominion (2021)
When Godzilla arrived in the Hollow Earth to reclaim one of his old lairs, he was suddenly attacked by Tiamat. She coiled her body around Godzilla as she dragged him underwater in a maelstrom, with her scales cutting into him. He headbutted Tiamat in the mouth, but she expelled a blinding acidic breath into the water. Using his other senses to track Tiamat, Godzilla turned as Tiamat was trying to swim up behind him. Tiamat again constricted her body around Godzilla and began dragging him deeper and deeper underwater. Tiamat pulled Godzilla through an underwater tunnel that led into an air pocket. As the two Titans surfaced, Tiamat bit down on Godzilla's neck. Godzilla grabbed Tiamat by the throat and threw her onto solid ground. He stomped on her repeatedly, but Tiamat roared defiantly at him. Godzilla answered the upstart Titan with a roar of his own which convinced her to submit. Tiamat then slithered back into the water and departed.
Tiamat can constrict her body around enemies, allowing her to easily drag them through the water.
Tiamat's scales are stated to be sharp enough to cut into Godzilla's flesh.
Tiamat can expel a yellow acidic breath from her mouth that blinds opponents.
Tiamat generated a maelstrom at the start of her fight against Godzilla to drag him into the ocean's depths. According to Godzilla Dominion illustrator Drew Johnson, she may also be able to create waterspouts. She is thoroughly in her element underwater, where she dominated Godzilla before he threw her onto solid ground.
Tiamat's name on a map of Titan locations in Godzilla: King of the Monsters
Tiamat concept art by Dope Pope
- Tiamat was located in Outpost 53, a possible reference to the 1953 film The Beast from 20,000 Fathoms, which featured a semi-aquatic reptile.
- According to Godzilla Dominion writer Greg Keyes, Tiamat was responsible for killing the ancient member of Kong's species whose skull is seen in Godzilla's lair, and probably also fought many other Titans.
This is a list of references for Tiamat. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: 
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