Twilight Sparkle

Twilight Sparkle is a Unicorn who is very interested in magic and studying, given Princess Celestia as her own personal mentor. When Princess Celestia asks her to go to Ponyville and make some friends, she's hesitant, but when she makes sme friendships, she finds the magic of friendship in her heart and is told to stay in Ponyville to continue her studies on the magic of friendship.