Nightmare Moon
Nightmare Moon

Full Name

Princess Luna


Nightmare Moon, Mare in the Moon


Bring eternal darkness


Restored to her former self

Nightmare Moon, who is actually a god named Princess Luna, is the main antagonist of the first two episodes of My Little Pony: Friendship is Magic. She is voiced by Tabitha St. Germain.


Nightmare Moon is over confident with her plans, boasting about bringing eternal darkness, and believes that no one can defeat her, calling those who dare challenge her foals. According to the epilogue, Princess Luna was jealous and bitter, which was what caused her to become Nightmare Moon. The only thing she appears to fear is the Elements of Harmony, shich is the only thing that can defeat her, so she first aims to destroy it.

When the Mane 6 tries to find the elements, Nightmare Moon sets up obstacles for them, including causing them to fall from a cliff, imbedding a thorn in a manticore, leading it to attack the ponies, frightening the ponies with horrific trees, cutting off a sea dragon's mustache, and trying to tempt Rainbow Dash into joining her.

After being cleansed of her evil, Princess Luna was shown to be timid and lonely, and instantly felt remorse over what she did. When Luna returned to help her image and reveal she wasn't evil anymore, she shown signs of being insecure, temperamental, and lonely. She had trouble adjusting to modern times after being trapped on the moon for so long, and Twilight had to teach her. She also appeared rather sarcastic at times.



Princess Luna was the younger sister of Princess Celestia, and the two sisters ruled Equestria and brought harmony to the land. Every day, Celestia would bring up the sun, and Luna would bring up the moo during the night. Luna, however, started to notice that the ponies would play during the day and sleep through the night, and believed that the ponies were shunning her. Her bitterness transformed her into Nightmare Moon, and she refused to lower the moon. Celestia tried to reason with her, but Nightmare Moon refused. Relunctantly, Celestia used the Elements of Harmony to banish Nightmare Moon to the moon, where she remained for a thousand years, during which most ponies forgot about her.


Night Mare Moon appears S01E01

Nightmare Moon returns

One thousand years later, Nearly everypony had forgotten about Nightmare Moon, except a young unicorn named Twilight Sparkle. After searching up information about Nightmare Moon, she came to the conclusion that the Mare in the Moon is Nightmare Moon, and that she will escape the moon with the help of the stars, and sent a letter through her dragon Spike to Princess Celestia. The Princess sent a letter, saying that she must stop reading those books, and make some new friends. Reluctantly, Twilight accepted and she and Spike were transported to Ponyville via hot-air balloon. Her task of making friends turned out to be harder that is sounded, and she soon believed that everypony in Ponyville was crazy.

During the Summer Sun celebration, Nigtmare Moon did escape the moon, and appeared at the celebration in place of Celestia. Revealing her plan to bring eternal darkness forever, Nightmare Moon struck down the royal guards and flew away into the night, briefly followed by Rainbow Dash. Twilight made her way to Golden Oaks Library and searched for the Elements of Harmony to find their location and use it on Nightmare Moon. Joined by four other ponies, Rainbow Dash, Applejack, Pinkie Pie, Rarity, and Fluttershy, they found the reference guide on the elements and read it out loud, not knowing that Nightmare Moon was listening to them and found that it was located in the Everfree Forest.

Now possessing the knowledge of the location of the elements, Nightmare Moom and the Mane 6 travelled to the ruins of the castle containing them. During their journey, Nightmare Moon made numerous attempts to stop the group from finding the elements, but ultimately failed. Eventually, Nightmare Moon stole the elements and battled Twilight Sparkle, who was unable to make the sixth element appear. Nightmare Moon proceeded to seemingly destroy the elements. However, Twilight realized that the elements existed in the heart of her friends, and the Mane 6 managed to reanimate the elements and activate a spell that transformed Nightmare Moon back into Princess Luna. It was then that Celestia appeared, and the two sisters reconciled with each other.


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