Tiamat is a powerful demonic goddess and one of the 2 main antagonists of the episode "I Am the City" of The Real Ghostbusters cartoon series alongside her ancient foe Marduk.
Tiamat appears in her natural form as a gigantic winged, five headed dragon-like demon.
- Tiamat is named after the primal goddess of the ocean in Babylonian mythology who also represents chaos.
- Based on mythology, it appears that Tiamat is a divinity and could be one of the primal deities alongside Gozer, Proteus, and Necksa.
- On page 8 of Ghostbusters Volume 2 Issue #15, Tiamat makes a non-canon cameo appearance alongside Gozer in his worm-like form on a page of Tobin's Spirit Guide.