Founders of Equestria

The Founders of Equestria are a group of six ponies who first discovered and founded the kingdom of Equestria long before the series' present day. Princess Platinum, Commander Hurricane, and Chancellor Puddinghead served as the leaders of the unicorn, Pegasus, and Earth pony tribes respectively, and Clover the Clever, Private Pansy, and Smart Cookie were their advisors/second-in-command.

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 * —About the Founders of Equestria.

Princess Platinum
Princess Platinum is the leader of the unicorn tribe and the daughter of the Unicorn King Bullion. She is portrayed as considerably snobbish, viewing the other pony tribes as inferior to unicorns and treating Clover the Clever like a servant. Rarity plays her in the Hearth's Warming Eve pageant.

Clover the Clever
Clover the Clever is Princess Platinum's royal advisor and Star Swirl the Bearded's apprentice. Twilight Sparkle plays her in the Hearth's Warming Eve pageant.

Commander Hurricane
Commander Hurricane is the leader of the Pegasus tribe and the Pegasus Weather Brigade. He is portrayed as very short-tempered and having a militaristic manner of speech. Rainbow Dash plays him in the Hearth's Warming Eve pageant, in which he is referred to as female in the pageant's context.

Private Pansy
Private Pansy is Commander Hurricane's subordinate. She is portrayed as being soft-spoken and harboring a secret and extreme dislike toward her superior. Fluttershy plays her in the Hearth's Warming Eve pageant.

Chancellor Puddinghead
Chancellor Puddinghead is the elected leader of the Earth pony tribe. She is portrayed as being very eccentric and random, such as trying to read a map with holes in it and having no concept of up or down. Pinkie Pie plays her in the Hearth's Warming Eve pageant.

Smart Cookie
Smart Cookie is Chancellor Puddinghead's secretary. She is portrayed as rational and straight-thinking as a counterbalance to Puddinghead's eccentricities. Applejack plays her in the Hearth's Warming Eve pageant