MLP Nightmare Moon as Puppy

Nightmare Moon is a major antagonist of My Little Pony: Friendship is Magic. She appears as the main antagonist of the series premiere, “Friendship is Magic“, and as the secondary antagonist in the Season 5 finale, “The Cutie Re-Mark“ and the Season 7 episode, “A Royal Problem“. She also appeared as a flashback antagonist in the Season 4 premiere, “Princess Twilight Sparkle“ and a minor antagonist in the Season 9 premiere, “The Beginning of the End“.