Existence
Gigan
(ref: Godzilla | Feature Films: Toho - Released 1954, TriStar Pictures - Released 1998, Warner Bros. Pictures - Released 2014 & Approximately 26 Sequal Films Released by Toho Beginning in 1955)
Imaginary (Existence)

Possible Inspiration
Ceratosaurus


Imaginary
 

Illustration of Godzilla Final Wars: Gigan Figure
eKnight Media
https://www.eknightmedia.com/godzilla-final-wars-gigan-2004-great-decisive-battle-ver-s-h-monsterarts-action-figure-by-bandai-tamashii-nations.html

Gigan Collectibles Gallery
Qty. Sets
1
Qty. Items
4

Comic Images 2006 Godzilla: King of the Monsters Cards