As the Pokémon universe has expanded for more than 25 years, a handful of the 900+ Pocket Monsters are actually from space or another dimension. Nearly every generation of Pokémon has introduced one or more characters that aren't actually native to their world, or, at the very least, their origin story is unknown. This has made for some phenomenal storytelling between the games, anime, manga, and movies, though not every Pokémon from space or another dimension is as exciting as the concept sounds.
In addition to being from space or another dimension, there are a couple of Pokémon, like Rayquaza, whose habitat location isn't anywhere on the planet, but rather in the ozone layer. Another case is Minior, which is a Pokémon that is supposedly formed in the ozone layer as well, making its origins as close to space as possible without actually leaving the planet's jurisdiction. Other Pokémon like Hoopa, Bronzong, and Gengar are also capable of interacting with other dimensions. What separates these five Pokémon from those originally from space or another dimension is that there isn't concrete evidence in their universe to confirm whether they originally came from.
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Better known by fans as Extraterrestrial Pokémon, the term encompasses all Pokémon with origins from outside of their world in terms of both space and inhabiting other dimensions. A common misconception in the Pokémon world is that Magnezone is an Extraterrestrial Pokémon because of its resemblance to UFOs. In Pokémon Legends: Arceus, Magnezone can actually be found flying around at some of the highest points in the Hisui region, but it is still a Pokémon native to the world because of its evolution from
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