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A gallery byBadumsquish with 17 images, last updated
Size: 3030x1872 | Tagged: safe, artist:badumsquish, derpibooru exclusive, applejack, monster pony, original species, tatzlpony, g4, alternate hairstyle, applejack's hat, cowboy hat, duality, eye contact, female, hat, messy mane, missing accessory, open mouth, paraquestria, self ponidox, shocked, simple background, species swap, surprised, tatzljack, transparent background
Warning: NSFW

There exists an alternate version of Equestria called Paraquestria, which has all the same ponies except every single one is a monster, and sometimes they get into Equestria and cause trouble or wreak havoc.