My agency is known as Monarch. We specialize in the hunt for Massive Unidentified Terrestrial Organisms.
MUTO (an acronym for Massive Unidentified Terrestrial Organism) is a designation used by the agency Monarch to refer to newly-discovered monsters in Legendary Pictures' Monsterverse. The term was coined by Bill Randa in the organization's early years. While most MUTOs tend to receive their own specific names from Monarch and henceforth become classified as Titans or superspecies, they are all initially given this designation. In the comic Godzilla: Awakening, both Godzilla and Shinomura are referred to as "MUTO" before being given their own unique names. The two antagonist monsters in the film Godzilla (2014) are only referred to as MUTOs, and do not have their own specific names.
Generally speaking, MUTOs are ancient superspecies that existed long before mankind ruled the Earth, and are abnormally large compared to most modern-day species. MUTOs such as Godzilla and the eight-legged and winged MUTOs inhabited Earth during a period where the planet's surface radiation levels were considerably higher than they are now. These MUTOs consumed this radiation as their food source, and retreated to the depths of the planet as this radiation declined, preferring instead to consume the planet's natural geothermal radiation. In Kong: Skull Island, Houston Brooks and Bill Randa propose that an entire ecosystem of MUTOs exists within hollow underground regions inside the Earth, with Skull Island acting as an emergence point for this ecosystem. Their theories are verified in subsequent films. A specific type of MUTO common on Skull Island is florafauna, animals which have incorporated plant biology into their physiology and very genetic makeup.
Monsters initially designated as MUTOs
- Giant ape
- Giant plant
- Giant flying reptile
- Giant shrimp
- Mammoth-like creature
- Brain-like creature
- Bipedal creature
- Male MUTO
- Female MUTO
- MUTO Prime
- Ion Dragon
- Frost Vark
This is a list of references for MUTO (designation). These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: 
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