Hedorah

Hedorah (ヘドラ, Hedora?), also known as the Smog Monster, is a fictional character in the 1971 film Godzilla vs. Hedorah. The monster was named for hedoro (ヘドロ?), the Japanese word for sludge, vomit, slime or chemical ooze. He is the main antagonist of the film.

Read more about Hedorah:  Description, Powers and Abilities, Appearances in Other Media