Hedorah (ヘドラ Hedora) is an alien pollution kaiju created by Toho that first faced Godzilla in the 1971 Godzilla film, Godzilla vs Hedorah. Hedorah, an alien from the Dark Gas Nebula, landed on Earth began feeding on pollution. Hedorah's actions soon gained the attention of Godzilla, who attacked the Smog Monster as he was feeding off of a smokestack. At the time, Hedorah was still in a young form, and was easily trounced by Godzilla. The two creatures had a series of battles across Japan, and Hedorah continued to grow bigger and stronger, and achieved a flying saucer-like form, allowing him to fly and spread sulfuric acid mist across Japan while destroying many factories. Hedorah and Godzilla had a final showdown near Mount Fuji, in which Hedorah achieved his final form, a humanoid, walkin