Twilight Sparkle

Twilight Sparkle is the leader of the Elements of Harmony. She is little sister of Shining Armor and Cadance and the big sister of Zoe Stitch.

Personality
Twilight is the Princess Celestia's favourite student. She is the smart of Elements of Harmony.

History
When Twilight was a filly and saw Zoe Stitch as a foal. But one day, her parents told Shining Armor and her about Zoe been taken away and never been found. Twilight was devastated. She was broken hearted.

As she grew up, she moved to Ponyville. Many lessons of Friendship later, Twilight became the newest princess. In the world of humans, Twilight met Sunset Shimmer. After defeating her in the epic battle, Sunset Shimmer confessed Twilight that she kidnapped Zoe Stitch and put her Trottingham. Sunset did that because she was taking the youngest.

As she went back to Equestria, Twilight asked Princess Celestia a favor to find Zoe Stitch. One day, Twilight are reunited with Zoe.