Twilight Sparkle

Princess Twilight Sparkle is the main character in My Little Pony: Friendship is Magic and a minor character in the Sailor Stellar crossover, My Little Otaku Soldier.She was born a unicorn and transformed into an alicorn in Magical Mystery Cure.

Cutie Mark
Twilight tells the Cutie Mark Crusaders  how she got her cutie mark in The Cutie Mark Chronicals. She says that when she was a filly, she studied magic on her own and wanted to attend Celestia's School for Gifted Unicorns. At the entrance exam, Twilight was told to use magic to hatch Spike' s egg, but her magic got out of control when she was startled by Rainbow Dash 's sonic rainboom. Princess Celestia witnessed Twilight's magical abilities and made Twilight her personal protégé.