Twilight Sparkle

Twilight Sparkle is the main character of My Little Pony: Friendship is Magic. After the events of the first episode, she moves from Canterlot to Ponyville in order to continue the study of friendship under Princess Celestia's tutelage, and regularly maintains correspondence with the Princess. She lives at the town's library along with her young dragon assistant Spike and owl pet, Owlowiscious. Her older brother Shining Armor is introduced in the two-part finale of the second season. Shining Armor marries Princess Cadance, which inducts Twilight into royalty; she is listed as royalty on trading cards of Cadance and Shining Armor. She represents the element of Magic.

Role in the Series
Twilight and her friends are known allies to the Shell Lodge Squad after finding out that Lord Shen had a past situation with Princess Celestia. She occasionally spends time with them on different adventures wit her friends, and the Cutie Mark Crusaders.