The Legend of Zelda series hosts a collection of otherworldly monsters. Between Bokoblins, Lizalfos, and Wizzrobes, Hyrule is haunted by monsters foreign to its human citizens. But few of these monsters are more than alien to human life - they are, in fact, genuine extraterrestrials.
The Legend of Zelda series is indeed familiar with sci-fi elements such as aliens. The ancient Sheikha technology of Breath of the Wild is reminiscent of the advanced societies of Star Wars, with the sentient robot Guardians and the lightsaber-esque Guardian swords. Even the origins of the series's monsters are something of an extraterrestrial story, as the enemies Link fights in the games only found Hyrule when Demise rose through a fissure in the Earth.
However, both the Sheikah and Demise's forces come from Earth. There have only been two instances in which the Legend of Zelda series have utilized creatures from other planets. But in both, Nintendo has muddled up these aliens' origins, leaving them even more mysterious.
"Them" Are Comically Hollywood Aliens In Legend Of Zelda: Majora's Mask
When thinking of aliens in Link's adventures, one's mind should immediately focus on Them from Legend of Zelda: Majora's Mask. They/Them is the name given to the strange figures who come to haunt Romani Ranch on the First Day of the game. Romani believes Them to be a group of spirits or ghosts who have come to steal her cows. She thus recruits Link to fend them off with his bow to prevent from destroying her ranch.
Despite Romani suspecting Them to be ghosts, They are clearly aliens. Legend of Zelda: Majora's Mask, regardless of lag, makes it clear They are extraterrestrials through their design: They arrive at the ranch in a UFO-esque ball of light, abducting cows in a style reminiscent of classic depictions of aliens in old Hollywood movies. If Link fails to protect Romani Ranch, Romani will even be abducted and lose her memories in typical sci-fi fashion. Thus, even though the Majora's Mask attempts to make Them a group of ghosts, they are clearly the Legend of Zelda's series first use of aliens.
Stone Pebblits & Taluses Are Extraterrestrials In Breath Of The Wild
YouTuber BanditGames has a compelling theory that explains how there is another breed of alien life in the Legend of Zelda games: the Stone Taluses. Yes, while the Stone Talus bosses in Breath of the Wild may appear to be nothing more than magically animated piles of rocks, there is significant evidence they are living beings from outer space. BanditGames explains in his video that Giza Crater - an area of the map where there are crater impacts from crashed meteorites - is home of many Stone Pebblits, and the area's biggest crater even has a Stone Talus. This suggests fairly clearly that the Stone Talus race could have crashed into Hyrule from outer space, thus making them aliens.
One could argue that the Stone Taluses cannot be aliens because they are not living organisms. However, BanditGames found the opposite to be true. According to the description of Stone Pebblits in Breath of the Wild, they are the child form of Stone Taluses who later grow and strengthen. This makes it clear that the Stone Taluses are living beings with a life cycle, in turn granting them their status as aliens in the Legend of Zelda series.
There were almost more aliens in Breath of the Wild, if concept art is to be believed. This art, developed before the game came out in 2017, showed a massive UFO hovering over Hyrule. Though such technology does not have anything to do with the game's resident extraterrestrials the Stone Taluses, Breath of the Wild 2 may reintroduce sci-fi elements into its story and bring more aliens into the Legend of Zelda series.
Source: BanditGames/YouTube