In Godzilla Final Wars, Gigan is an ancient cybernetic monster that was sent by the Xiliens thousands of years ago, where he was defeated by Mothra and subsequently mummified. In the year 20XX, Gigan mummified. Gigan's mummified corpse was discovered by the Earth Defense Force and the monster was later reactivated by X during the Xiliens invasion, during which time he encountered and fought Godzilla but was quickly defeated. After receiving additional enhancements, he was sent out again to assist Monster X in the final confrontation against Godzilla, however Mothra arrived to Godzilla aid. Gigan fought Mothra once more, however the two were killed in Mothra suicide attack.

Classification: Cybernetic Space dinosaur

Powers and Abilities: Superhuman Physical Characteristic, immortality(type 1), large size(Type 2), Flight, cyborgization(Full), energy projection, infrared Vision, explosion manipulation(Gigan hooks can release an explosive charge upon impact), teleportation, natural weaponry(Claws, Buzzsaw), weapon mastery, homing attack(With bladed Slicer)

Attack Potency: Small Country level(Fought on par with Godzilla and Mothra, Comparable to Monster X)

Speed: Subsonic Movement Speed, Subsonic+ Flight Speed in the atmosphere, Sub-Relativistic Reactions and Combat Speed(Kept up with Godzilla)

Lifting Strength: Class M

Striking Strength: Small Country Class

Durability: Small Country level(Survived multiple Atomic Rays from godzilla on multiple occasions)

Stamina: Extremely high

Range: Tens of meters by sheer size, Hundreds of meters with ranged attacks

Standard Equipment: Buzz saws, Bladed Slicer, etc

Intelligence: Average

Weakness: None Notable

Notable Attacks and Techniques: Gigan

Buzzsaw: Gigan has a buzzsaw on his stomach that he uses to saw opponents.

Teleportation: Gigan can teleport short distances to confuse his opponents.

Diamond Encasing: Gigan can encase himself within diamond(aka his diamond form)This form is used to travel long interstellar distances.

Grappling Cables: Gigan can fire four grappling cables, two from each of his appendages. They have a range of at least hundreds of meters. Gigan can use these to pull his opponents into the buzzsaw on his stomach.

Tail Pincer: Gigan can grab his opponent using the pincer on his tail.

High-Powered Eye Laser: Gigan can fire an accurate red laser from a cannon located above his eye.

Cluster Light Ray: Gigan eye can shoot out an attack very similar to the red eye laser. The Cluster light ray starts out as a single beam that then splits into many smaller ones.

Shotgun Blast: A heavily inaccurate version of the cluster light ray that immediately scatters.

Modified Gigan:

ChainSaw: After losing his head in battle, Gigan was repaired and had his appendages replaced with giant double chainsaws.

Razor Discs: Gigan can shoot guided boomerangs razor discs from two hidden slots in his upper torso.