Monster Name: Mognezun Monster Appearances:  Return of Ultraman Mognezun is a prehistoric kaiju covered in sharp spikes. Its modern-day awakening gave it a deadly new ability: expelling poisonous gas. This development was caused by leftover chemical weapons from World War II Japan had dumped yellow toxic gas in the area where Mognezun had been hibernating. Feeding on the gas triggered this lethal adaptation. Besides its poisonous breath, Mognezun is an expert digger, capable

Monster Name: Stegon Monster Appearances: Return of Ultraman, Redman Stegon is an ancient dinosaur related to the Stegosaurus, with a body that looks almost like a pile of walking fossils. Stegon walks on four legs and has the ability to burrow underground. Its body constantly secretes a powerful acid capable of dissolving organic matter strong enough to be lethal to humans. Stegon can also spray a mist from its mouth that can extinguish fires or act as a smokescreen. Its dur